diff --git a/Application/Controller/Admin/d3ActionWizard.php b/Application/Controller/Admin/d3ActionWizard.php
index e6ae41e..93e6ebc 100644
--- a/Application/Controller/Admin/d3ActionWizard.php
+++ b/Application/Controller/Admin/d3ActionWizard.php
@@ -18,20 +18,21 @@ namespace D3\DataWizard\Application\Controller\Admin;
 use D3\DataWizard\Application\Model\Configuration;
 use D3\DataWizard\Application\Model\Exceptions\DataWizardException;
 use D3\DataWizard\Application\Model\Exceptions\DebugException;
+use D3\DataWizard\Application\Model\Exceptions\InputUnvalidException;
+use D3\DataWizard\Application\Model\Exceptions\TaskException;
 use D3\ModCfg\Application\Model\d3database;
-use Doctrine\DBAL\DBALException;
+use Doctrine\DBAL\Exception as DBALException;
 use OxidEsales\Eshop\Application\Controller\Admin\AdminDetailsController;
 use OxidEsales\Eshop\Core\Config;
-use OxidEsales\Eshop\Core\Exception\DatabaseConnectionException;
-use OxidEsales\Eshop\Core\Exception\DatabaseErrorException;
 use OxidEsales\Eshop\Core\Registry;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
 
 class d3ActionWizard extends AdminDetailsController
 {
     protected $_sThisTemplate = 'd3ActionWizard.tpl';
 
-    /** @var Configuration */
-    protected $configuration;
+    protected Configuration $configuration;
 
     public function __construct()
     {
@@ -51,23 +52,28 @@ class d3ActionWizard extends AdminDetailsController
     }
 
     /**
-     * @throws DatabaseConnectionException
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
      */
-    public function runTask()
+    public function runTask(): void
     {
         try {
             $this->execute();
-        } catch (DataWizardException|DBALException|DatabaseErrorException $e) {
+        } catch (DataWizardException|DBALException $e) {
             Registry::getLogger()->error($e->getMessage());
             Registry::getUtilsView()->addErrorToDisplay($e);
         }
     }
 
     /**
-     * @throws DatabaseConnectionException
-     * @throws DatabaseErrorException
+     * @throws ContainerExceptionInterface
+     * @throws DBALException
+     * @throws DebugException
+     * @throws InputUnvalidException
+     * @throws NotFoundExceptionInterface
+     * @throws TaskException
      */
-    protected function execute()
+    protected function execute(): void
     {
         $id = Registry::getRequest()->getRequestEscapedParameter('taskid');
         $action = $this->configuration->getActionById($id);
@@ -75,10 +81,12 @@ class d3ActionWizard extends AdminDetailsController
         [ $queryString, $parameters ] = $action->getQuery();
 
         if ($this->d3GetConfig()->getConfigParam('d3datawizard_debug')) {
-            throw oxNew(
+            /** @var DebugException $debug */
+            $debug = oxNew(
                 DebugException::class,
                 d3database::getInstance()->getPreparedStatementQuery($queryString, $parameters)
             );
+            throw $debug;
         }
 
         $action->run();
@@ -92,12 +100,12 @@ class d3ActionWizard extends AdminDetailsController
         return Registry::getConfig();
     }
 
-    public function getUserMessages()
+    public function getUserMessages(): ?string
     {
         return null;
     }
 
-    public function getHelpURL()
+    public function getHelpURL(): ?string
     {
         return null;
     }
diff --git a/Application/Controller/Admin/d3ExportWizard.php b/Application/Controller/Admin/d3ExportWizard.php
index 22075fa..e58cd26 100644
--- a/Application/Controller/Admin/d3ExportWizard.php
+++ b/Application/Controller/Admin/d3ExportWizard.php
@@ -19,24 +19,25 @@ use D3\DataWizard\Application\Model\Configuration;
 use D3\DataWizard\Application\Model\Exceptions\DataWizardException;
 use D3\DataWizard\Application\Model\Exceptions\DebugException;
 use D3\DataWizard\Application\Model\Exceptions\NoSuitableRendererException;
-use D3\DataWizard\Application\Model\Exceptions\TaskException;
 use D3\ModCfg\Application\Model\d3database;
 use D3\ModCfg\Application\Model\Exception\d3_cfg_mod_exception;
 use D3\ModCfg\Application\Model\Exception\d3ShopCompatibilityAdapterException;
-use Doctrine\DBAL\DBALException;
+use Doctrine\DBAL\Driver\Exception;
+use Doctrine\DBAL\Exception as DBALException;
 use OxidEsales\Eshop\Application\Controller\Admin\AdminDetailsController;
 use OxidEsales\Eshop\Core\Config;
 use OxidEsales\Eshop\Core\Exception\DatabaseConnectionException;
 use OxidEsales\Eshop\Core\Exception\DatabaseErrorException;
 use OxidEsales\Eshop\Core\Exception\StandardException;
 use OxidEsales\Eshop\Core\Registry;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
 
 class d3ExportWizard extends AdminDetailsController
 {
     protected $_sThisTemplate = 'd3ExportWizard.tpl';
 
-    /** @var Configuration */
-    protected $configuration;
+    protected Configuration $configuration;
 
     public function __construct()
     {
@@ -56,12 +57,15 @@ class d3ExportWizard extends AdminDetailsController
     }
 
     /**
+     * @throws ContainerExceptionInterface
      * @throws DatabaseConnectionException
+     * @throws Exception
+     * @throws NotFoundExceptionInterface
      * @throws StandardException
      * @throws d3ShopCompatibilityAdapterException
      * @throws d3_cfg_mod_exception
      */
-    public function runTask()
+    public function runTask(): void
     {
         try {
             $this->execute();
@@ -75,13 +79,15 @@ class d3ExportWizard extends AdminDetailsController
      * @throws DBALException
      * @throws DatabaseConnectionException
      * @throws DatabaseErrorException
-     * @throws StandardException
      * @throws NoSuitableRendererException
-     * @throws TaskException
+     * @throws StandardException
+     * @throws Exception
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
      * @throws d3ShopCompatibilityAdapterException
      * @throws d3_cfg_mod_exception
      */
-    protected function execute()
+    protected function execute(): void
     {
         $id = Registry::getRequest()->getRequestEscapedParameter('taskid');
         $export = $this->configuration->getExportById($id);
@@ -106,12 +112,12 @@ class d3ExportWizard extends AdminDetailsController
         return Registry::getConfig();
     }
 
-    public function getUserMessages()
+    public function getUserMessages(): ?string
     {
         return null;
     }
 
-    public function getHelpURL()
+    public function getHelpURL(): ?string
     {
         return null;
     }
diff --git a/Application/Model/ActionBase.php b/Application/Model/ActionBase.php
index cf2c748..187ca93 100644
--- a/Application/Model/ActionBase.php
+++ b/Application/Model/ActionBase.php
@@ -16,18 +16,20 @@ declare(strict_types=1);
 namespace D3\DataWizard\Application\Model;
 
 use D3\DataWizard\Application\Model\Exceptions\InputUnvalidException;
+use D3\DataWizard\Application\Model\Exceptions\TaskException;
+use Doctrine\DBAL\Exception as DBALException;
 use FormManager\Inputs\Checkbox;
 use FormManager\Inputs\Input;
 use FormManager\Inputs\Radio;
-use OxidEsales\Eshop\Core\Database\Adapter\DatabaseInterface;
-use OxidEsales\Eshop\Core\DatabaseProvider;
-use OxidEsales\Eshop\Core\Exception\DatabaseConnectionException;
-use OxidEsales\Eshop\Core\Exception\DatabaseErrorException;
 use OxidEsales\Eshop\Core\Registry;
+use OxidEsales\EshopCommunity\Internal\Container\ContainerFactory;
+use OxidEsales\EshopCommunity\Internal\Framework\Database\ConnectionProviderInterface;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
 
 abstract class ActionBase implements QueryBase
 {
-    protected $formElements = [];
+    protected array $formElements = [];
 
     /**
      * Ensure that the translations are equally available in the frontend and the backend
@@ -39,16 +41,21 @@ abstract class ActionBase implements QueryBase
     }
 
     /**
-     * @throws DatabaseConnectionException
-     * @throws DatabaseErrorException
+     * @throws ContainerExceptionInterface
+     * @throws DBALException
+     * @throws InputUnvalidException
+     * @throws NotFoundExceptionInterface
+     * @throws TaskException
      */
-    public function run()
+    public function run(): void
     {
         if ($this->hasFormElements()) {
             /** @var Input $element */
             foreach ($this->getFormElements() as $element) {
                 if (false === $element->isValid()) {
-                    throw oxNew(InputUnvalidException::class, $this, $element);
+                    /** @var InputUnvalidException $exception */
+                    $exception = oxNew(InputUnvalidException::class, $this, $element);
+                    throw $exception;
                 }
             }
         }
@@ -59,28 +66,34 @@ abstract class ActionBase implements QueryBase
     /**
      * @param array $query
      *
-     * @return int
-     * @throws DatabaseConnectionException
-     * @throws DatabaseErrorException
+     * @return void
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
+     * @throws TaskException
+     * @throws DBALException
      */
-    public function executeAction(array $query): int
+    public function executeAction(array $query): void
     {
         [ $queryString, $parameters ] = $query;
 
         $queryString = trim($queryString);
 
         if (strtolower(substr($queryString, 0, 6)) === 'select') {
-            throw oxNew(
-                Exceptions\TaskException::class,
+            /** @var TaskException $exception */
+            $exception = oxNew(
+                TaskException::class,
                 $this,
                 Registry::getLang()->translateString('D3_DATAWIZARD_ERR_ACTIONSELECT')
             );
+            throw $exception;
         }
 
-        $affected = $this->d3GetDb()->execute($queryString, $parameters);
+        $connection = ContainerFactory::getInstance()->getContainer()->get(ConnectionProviderInterface::class)->get();
+        $affected = (int) $connection->executeStatement($queryString, $parameters);
 
-        throw oxNew(
-            Exceptions\TaskException::class,
+        /** @var TaskException $exception */
+        $exception = oxNew(
+            TaskException::class,
             $this,
             sprintf(
                 Registry::getLang()->translateString(
@@ -89,15 +102,7 @@ abstract class ActionBase implements QueryBase
                 $affected
             )
         );
-    }
-
-    /**
-     * @return DatabaseInterface|null
-     * @throws DatabaseConnectionException
-     */
-    public function d3GetDb(): ?DatabaseInterface
-    {
-        return DatabaseProvider::getDb(DatabaseProvider::FETCH_MODE_ASSOC);
+        throw $exception;
     }
 
     /**
@@ -111,7 +116,7 @@ abstract class ActionBase implements QueryBase
     /**
      * @param Input $input
      */
-    public function registerFormElement(Input $input)
+    public function registerFormElement(Input $input): void
     {
         if ($input instanceof Radio || $input instanceof Checkbox) {
             $input->setTemplate('<p class="form-check">{{ input }} {{ label }}</p>');
diff --git a/Application/Model/Configuration.php b/Application/Model/Configuration.php
index 9a37767..ff6e999 100644
--- a/Application/Model/Configuration.php
+++ b/Application/Model/Configuration.php
@@ -27,8 +27,8 @@ class Configuration
     public const GROUP_REMARKS  = 'D3_DATAWIZARD_GROUP_REMARKS';
     public const GROUP_CMS      = 'D3_DATAWIZARD_GROUP_CMS';
 
-    protected $actions = [];
-    protected $exports = [];
+    protected array $actions = [];
+    protected array $exports = [];
 
     public function __construct()
     {
@@ -44,7 +44,7 @@ class Configuration
      * @param            $group
      * @param ActionBase $action
      */
-    public function registerAction($group, ActionBase $action)
+    public function registerAction($group, ActionBase $action): void
     {
         $this->actions[$group][md5(get_class($action))] = $action;
     }
@@ -53,7 +53,7 @@ class Configuration
      * @param            $group
      * @param ExportBase $export
      */
-    public function registerExport($group, ExportBase $export)
+    public function registerExport($group, ExportBase $export): void
     {
         $this->exports[$group][md5(get_class($export))] = $export;
     }
@@ -147,7 +147,7 @@ class Configuration
     {
         $allActions = $this->getAllActions();
 
-        if (false == $allActions[$id]) {
+        if ( ! $allActions[ $id ] ) {
             throw oxNew(DataWizardException::class, 'no action with id '.$id);
         }
 
@@ -163,7 +163,7 @@ class Configuration
     {
         $allExports = $this->getAllExports();
 
-        if (false == $allExports[$id]) {
+        if ( ! $allExports[ $id ] ) {
             throw oxNew(DataWizardException::class, 'no export with id '.$id);
         }
 
diff --git a/Application/Model/Exceptions/InputUnvalidException.php b/Application/Model/Exceptions/InputUnvalidException.php
index 894c9ca..6dcdada 100644
--- a/Application/Model/Exceptions/InputUnvalidException.php
+++ b/Application/Model/Exceptions/InputUnvalidException.php
@@ -21,8 +21,7 @@ use FormManager\Inputs\Input;
 
 class InputUnvalidException extends DataWizardException
 {
-    /** @var QueryBase */
-    public $task;
+    public QueryBase $task;
 
     /**
      * InputUnvalidException constructor.
diff --git a/Application/Model/Exceptions/TaskException.php b/Application/Model/Exceptions/TaskException.php
index cf7f7fb..233cf6d 100644
--- a/Application/Model/Exceptions/TaskException.php
+++ b/Application/Model/Exceptions/TaskException.php
@@ -20,8 +20,7 @@ use Exception;
 
 class TaskException extends DataWizardException
 {
-    /** @var QueryBase */
-    public $task;
+    public QueryBase $task;
 
     public function __construct(QueryBase $task, $sMessage = "not set", $iCode = 0, Exception $previous = null)
     {
diff --git a/Application/Model/ExportBase.php b/Application/Model/ExportBase.php
index 46f634e..6433066 100644
--- a/Application/Model/ExportBase.php
+++ b/Application/Model/ExportBase.php
@@ -17,24 +17,30 @@ namespace D3\DataWizard\Application\Model;
 
 use D3\DataWizard\Application\Model\Exceptions\ExportFileException;
 use D3\DataWizard\Application\Model\Exceptions\InputUnvalidException;
+use D3\DataWizard\Application\Model\Exceptions\NoSuitableRendererException;
 use D3\DataWizard\Application\Model\ExportRenderer\RendererBridge;
+use D3\DataWizard\Application\Model\ExportRenderer\RendererInterface;
 use D3\ModCfg\Application\Model\d3filesystem;
 use D3\ModCfg\Application\Model\Exception\d3_cfg_mod_exception;
 use D3\ModCfg\Application\Model\Exception\d3ShopCompatibilityAdapterException;
-use Doctrine\DBAL\DBALException;
+use Doctrine\DBAL\Connection;
+use Doctrine\DBAL\Driver\Exception;
+use Doctrine\DBAL\Exception as DBALException;
 use FormManager\Inputs\Checkbox;
 use FormManager\Inputs\Input;
 use FormManager\Inputs\Radio;
-use OxidEsales\Eshop\Core\Database\Adapter\DatabaseInterface;
-use OxidEsales\Eshop\Core\DatabaseProvider;
 use OxidEsales\Eshop\Core\Exception\DatabaseConnectionException;
 use OxidEsales\Eshop\Core\Exception\DatabaseErrorException;
 use OxidEsales\Eshop\Core\Exception\StandardException;
 use OxidEsales\Eshop\Core\Registry;
+use OxidEsales\EshopCommunity\Internal\Container\ContainerFactory;
+use OxidEsales\EshopCommunity\Internal\Framework\Database\ConnectionProviderInterface;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
 
 abstract class ExportBase implements QueryBase
 {
-    protected $formElements = [];
+    protected array $formElements = [];
 
     /**
      * Ensure that the translations are equally available in the frontend and the backend
@@ -47,17 +53,19 @@ abstract class ExportBase implements QueryBase
 
     /**
      * @param string $format
-     * @param $path
+     * @param null   $path
      *
+     * @return string
+     * @throws ContainerExceptionInterface
      * @throws DBALException
      * @throws DatabaseConnectionException
      * @throws DatabaseErrorException
-     * @throws Exceptions\NoSuitableRendererException
-     * @throws Exceptions\TaskException
+     * @throws Exception
+     * @throws NoSuitableRendererException
+     * @throws NotFoundExceptionInterface
      * @throws StandardException
      * @throws d3ShopCompatibilityAdapterException
      * @throws d3_cfg_mod_exception
-     * @return string
      */
     public function run(string $format = RendererBridge::FORMAT_CSV, $path = null): string
     {
@@ -82,31 +90,22 @@ abstract class ExportBase implements QueryBase
     }
 
     /**
-     * @param $format
-     *
-     * @return ExportRenderer\RendererInterface
-     * @throws Exceptions\NoSuitableRendererException
+     * @throws NoSuitableRendererException
      */
-    public function getRenderer($format): ExportRenderer\RendererInterface
+    public function getRenderer(string $format): RendererInterface
     {
         return $this->getRendererBridge()->getRenderer($format);
     }
 
-    /**
-     * @return RendererBridge
-     */
     public function getRendererBridge(): RendererBridge
     {
         return oxNew(RendererBridge::class);
     }
 
     /**
-     * @param $format
-     *
-     * @return string
-     * @throws Exceptions\NoSuitableRendererException
+     * @throws NoSuitableRendererException
      */
-    public function getFileExtension($format): string
+    public function getFileExtension(string $format): string
     {
         return $this->getRenderer($format)->getFileExtension();
     }
@@ -148,8 +147,10 @@ abstract class ExportBase implements QueryBase
      * @param array $query
      *
      * @return array
-     * @throws DatabaseConnectionException
-     * @throws DatabaseErrorException
+     * @throws DBALException
+     * @throws Exception
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
      */
     public function getExportData(array $query): array
     {
@@ -165,7 +166,9 @@ abstract class ExportBase implements QueryBase
             );
         }
 
-        $rows = $this->d3GetDb()->getAll($queryString, $parameters);
+        /** @var Connection $connection */
+        $connection = ContainerFactory::getInstance()->getContainer()->get(ConnectionProviderInterface::class)->get();
+        $rows = $connection->executeQuery($queryString, $parameters)->fetchAllAssociative();
 
         if (count($rows) <= 0) {
             throw oxNew(
@@ -180,10 +183,7 @@ abstract class ExportBase implements QueryBase
         return [ $rows, $fieldNames ];
     }
 
-    /**
-     * @param Input $input
-     */
-    public function registerFormElement(Input $input)
+    public function registerFormElement(Input $input): void
     {
         if ($input instanceof Radio || $input instanceof Checkbox) {
             $input->setTemplate('<p class="form-check">{{ input }} {{ label }}</p>');
@@ -213,12 +213,16 @@ abstract class ExportBase implements QueryBase
 
     /**
      * @param string $format
-     * @param $path
+     * @param        $path
+     *
      * @return string
+     * @throws ContainerExceptionInterface
      * @throws DBALException
      * @throws DatabaseConnectionException
      * @throws DatabaseErrorException
-     * @throws Exceptions\NoSuitableRendererException
+     * @throws Exception
+     * @throws NoSuitableRendererException
+     * @throws NotFoundExceptionInterface
      * @throws StandardException
      * @throws d3ShopCompatibilityAdapterException
      * @throws d3_cfg_mod_exception
@@ -227,13 +231,12 @@ abstract class ExportBase implements QueryBase
     {
         $content = $this->getContent($format);
 
-        /** @var $oFS d3filesystem */
         $oFS = $this->getFileSystem();
         if (is_null($path)) {
             $oFS->startDirectDownload($oFS->filterFilename($this->getExportFileName($format)), $content);
         } else {
             $filePath = $oFS->trailingslashit($path) . $oFS->filterFilename($this->getExportFileName($format));
-            if (false === $oFS->createFile($filePath, $content, true)) {
+            if (false === $oFS->createFile($filePath, $content)) {
                 throw oxNew(ExportFileException::class, $filePath);
             }
             return $filePath;
@@ -242,19 +245,7 @@ abstract class ExportBase implements QueryBase
         return '';
     }
 
-    /**
-     * @return DatabaseInterface|null
-     * @throws DatabaseConnectionException
-     */
-    protected function d3GetDb(): ?DatabaseInterface
-    {
-        return DatabaseProvider::getDb(DatabaseProvider::FETCH_MODE_ASSOC);
-    }
-
-    /**
-     * @return d3filesystem|mixed
-     */
-    protected function getFileSystem()
+    protected function getFileSystem(): d3filesystem
     {
         return oxNew(d3filesystem::class);
     }
@@ -263,16 +254,16 @@ abstract class ExportBase implements QueryBase
      * @param string $format
      *
      * @return string
-     * @throws DatabaseConnectionException
-     * @throws DatabaseErrorException
-     * @throws Exceptions\NoSuitableRendererException
+     * @throws ContainerExceptionInterface
+     * @throws DBALException
+     * @throws Exception
+     * @throws NoSuitableRendererException
+     * @throws NotFoundExceptionInterface
      */
     public function getContent(string $format): string
     {
         [ $rows, $fieldNames ] = $this->getExportData($this->getQuery());
 
-        $content = $this->renderContent($rows, $fieldNames, $format);
-
-        return $content;
+        return $this->renderContent($rows, $fieldNames, $format);
     }
 }
diff --git a/Application/Model/ExportRenderer/Csv.php b/Application/Model/ExportRenderer/Csv.php
index 474e60c..04c5ebe 100644
--- a/Application/Model/ExportRenderer/Csv.php
+++ b/Application/Model/ExportRenderer/Csv.php
@@ -60,16 +60,10 @@ class Csv implements RendererInterface
 
         EncloseField::addTo($csv, "\t\x1f");
 
-        $sEncloser = $this->d3GetConfig()->getConfigParam('sGiCsvFieldEncloser');
-        if (false == $sEncloser) {
-            $sEncloser = '"';
-        }
+        $sEncloser = $this->d3GetConfig()->getConfigParam('sGiCsvFieldEncloser') ?? '"';
         $csv->setEnclosure($sEncloser);
 
-        $sDelimiter = $this->d3GetConfig()->getConfigParam('sCSVSign');
-        if (false == $sDelimiter) {
-            $sDelimiter = ';';
-        }
+        $sDelimiter = $this->d3GetConfig()->getConfigParam('sCSVSign') ?? ';';
         $csv->setDelimiter($sDelimiter);
 
         return $csv;
diff --git a/Application/Model/ExportRenderer/RendererBridge.php b/Application/Model/ExportRenderer/RendererBridge.php
index 5f2de26..e4b3400 100644
--- a/Application/Model/ExportRenderer/RendererBridge.php
+++ b/Application/Model/ExportRenderer/RendererBridge.php
@@ -45,7 +45,7 @@ class RendererBridge
     /**
      * @param RendererInterface $instance
      */
-    protected function translateRendererId(RendererInterface &$instance)
+    protected function translateRendererId(RendererInterface &$instance): void
     {
         $instance = $instance->getTitleTranslationId();
     }
@@ -60,8 +60,8 @@ class RendererBridge
     {
         $format = strtolower($format);
 
-        $rendererList = array_change_key_case($this->getRendererList(), CASE_LOWER);
-        $rendererListTypes = array_keys(array_change_key_case($rendererList, CASE_LOWER));
+        $rendererList = array_change_key_case($this->getRendererList());
+        $rendererListTypes = array_keys(array_change_key_case($rendererList));
 
         if (in_array($format, $rendererListTypes, true)) {
             return $rendererList[$format];