--- a/Application/Controller/orderOverviewPdfGenerator.php
+++ b/Application/Controller/orderOverviewPdfGenerator.php
@ -23,7 +23,7 @@ class orderOverviewPdfGenerator
     * @param int $iSelLang
     * @throws noPdfHandlerFoundException
     */
-    public function generatePdf(Order $order, int $iSelLang = 0)
+    public function generatePdf(Order $order, $iSelLang = 0)
    {
        $Pdf= $this->getPdfClass();

--- a/Application/Model/AbstractClasses/pdfdocumentsGeneric.php
+++ b/Application/Model/AbstractClasses/pdfdocumentsGeneric.php
@ -18,13 +18,16 @@ use OxidEsales\Eshop\Core\Base;
 use OxidEsales\Eshop\Core\Exception\StandardException;
 use OxidEsales\Eshop\Core\Registry;
 use OxidEsales\Eshop\Core\UtilsView;
+use OxidEsales\EshopCommunity\Core\Di\ContainerFacade;
 use OxidEsales\EshopCommunity\Internal\Container\ContainerFactory;
 use OxidEsales\EshopCommunity\Internal\Framework\Module\Facade\ModuleSettingServiceInterface;
 use OxidEsales\EshopCommunity\Internal\Framework\Templating\TemplateEngineInterface;
+use OxidEsales\EshopCommunity\Internal\Framework\Templating\TemplateRenderer;
 use OxidEsales\EshopCommunity\Internal\Framework\Templating\TemplateRendererBridgeInterface;
 use OxidEsales\Twig\Resolver\TemplateChain\TemplateNotInChainException;
 use Psr\Container\ContainerExceptionInterface;
 use Psr\Container\NotFoundExceptionInterface;
+use Smarty;
 use Spipu\Html2Pdf\Exception\Html2PdfException;
 use Spipu\Html2Pdf\Html2Pdf;
 use Twig\Error\Error;
@ -43,7 +46,7 @@ abstract class pdfdocumentsGeneric extends Base implements genericInterface

    public $filenameExtension = 'pdf';

-    /** @var TemplateEngineInterface  */
+    /** @var Smarty  */
    public $oTemplateEngine;

    /** @var string */
@ -87,7 +90,7 @@ abstract class pdfdocumentsGeneric extends Base implements genericInterface
     * @param $sFilename
     * @param int $iSelLang
     * @param string $target
-     * @return string|null
+     * @return mixed|string|null
     * @throws Html2PdfException
     */
    public function genPdf($sFilename, $iSelLang = 0, $target = self::PDF_DESTINATION_STDOUT)
@ -115,7 +118,10 @@ abstract class pdfdocumentsGeneric extends Base implements genericInterface
            $this->genPdf($sFilename, $iLanguage, self::PDF_DESTINATION_DOWNLOAD);
            $this->runPostAction();
            Registry::getUtils()->showMessageAndExit('');
-        } catch (pdfGeneratorExceptionAbstract|InvalidArgumentException $e) {
+        } catch (pdfGeneratorExceptionAbstract $e) {
+            Registry::get(UtilsView::class)->addErrorToDisplay($e);
+            Registry::getLogger()->error($e);
+        } catch (InvalidArgumentException $e) {
            Registry::get(UtilsView::class)->addErrorToDisplay($e);
            Registry::getLogger()->error($e);
        }
@ -138,7 +144,10 @@ abstract class pdfdocumentsGeneric extends Base implements genericInterface
                self::PDF_DESTINATION_FILE
            );
            $this->runPostAction();
-        } catch (pdfGeneratorExceptionAbstract|InvalidArgumentException $e) {
+        } catch (pdfGeneratorExceptionAbstract $e) {
+            Registry::get(UtilsView::class)->addErrorToDisplay($e);
+            Registry::getLogger()->error($e);
+        } catch (InvalidArgumentException $e) {
            Registry::get(UtilsView::class)->addErrorToDisplay($e);
            Registry::getLogger()->error($e);
        }
@ -158,7 +167,10 @@ abstract class pdfdocumentsGeneric extends Base implements genericInterface
            $ret = $this->genPdf( $sFilename, $iLanguage, self::PDF_DESTINATION_STRING );
            $this->runPostAction();
            return $ret;
-        } catch (pdfGeneratorExceptionAbstract|InvalidArgumentException $e) {
+        } catch (pdfGeneratorExceptionAbstract $e) {
+            Registry::get(UtilsView::class)->addErrorToDisplay($e);
+            Registry::getLogger()->error($e);
+        } catch (InvalidArgumentException $e) {
            Registry::get(UtilsView::class)->addErrorToDisplay($e);
            Registry::getLogger()->error($e);
        }
@ -169,7 +181,7 @@ abstract class pdfdocumentsGeneric extends Base implements genericInterface
    /**
     * @param int $iSelLang
     */
-    public function setTemplateEngineVars(int $iSelLang)
+    public function setTemplateEngineVars($iSelLang)
    {
        unset($iSelLang);
 		
@ -186,7 +198,7 @@ abstract class pdfdocumentsGeneric extends Base implements genericInterface
     * @return mixed
     * @throws InvalidArgumentException
     */
-    public function getHTMLContent(int $iSelLang = 0)
+    public function getHTMLContent($iSelLang = 0)
    {
        $blCurrentRenderFromAdmin = self::$_blIsAdmin;
        self::$_blIsAdmin = $this->renderTemplateFromAdmin();
@ -204,7 +216,8 @@ abstract class pdfdocumentsGeneric extends Base implements genericInterface
 		    
 		    //Registry::getLogger()->error(dumpVar(__METHOD__." ".__LINE__), [$error->getFile()]);
 			
-		    throw oxNew(StandardException::class, $error->getMessage());
+		    $error = oxNew(StandardException::class, $error->getMessage());
+		    throw $error;
 	    }
 	    
 	    $lang->setTplLanguage($currTplLang);
@ -311,12 +324,14 @@ abstract class pdfdocumentsGeneric extends Base implements genericInterface

        // maximize filename length to 255 bytes
        $ext = pathinfo($filename, PATHINFO_EXTENSION);
-        return mb_strcut(
+        $filename = mb_strcut(
                        pathinfo($filename, PATHINFO_FILENAME),
                        0,
                        255 - ($ext ? strlen($ext) + 1 : 0),
                        mb_detect_encoding($filename)
                    ) . ($ext ? '.' . $ext : '');
+
+        return $filename;
    }

    public function beautifyFilename($filename)
--- a/Application/Model/AbstractClasses/pdfdocumentsOrder.php
+++ b/Application/Model/AbstractClasses/pdfdocumentsOrder.php
@ -116,7 +116,7 @@ abstract class pdfdocumentsOrder extends pdfdocumentsGeneric implements orderInt
    }

    /**
-     * @return false|int
+     * @return false|string
     * @throws InvalidArgumentException
     */
    public function getPayableUntilDate()
--- a/Application/Model/Interfaces/pdfdocumentsGenericInterface.php
+++ b/Application/Model/Interfaces/pdfdocumentsGenericInterface.php
@ -35,29 +35,29 @@ interface pdfdocumentsGenericInterface
    /**
     * @param int $iLanguage
     */
-    public function downloadPdf(int $iLanguage = 0);
+    public function downloadPdf($iLanguage = 0);

    /**
     * @param int $iLanguage
     *
     * @return string|null
     */
-    public function getPdfContent(int $iLanguage = 0);
+    public function getPdfContent($iLanguage = 0);

    /**
     * @param string $path
     * @param int $iLanguage
     */
-    public function savePdfFile(string $path, int $iLanguage = 0);
+    public function savePdfFile($path, $iLanguage = 0);

    /**
-     * @param string $sFilename
+     * @param        $sFilename
     * @param int    $iSelLang
     * @param string $target
     *
     * @return mixed
     */
-    public function genPdf(string $sFilename, int $iSelLang = 0, string $target = 'I');
+    public function genPdf($sFilename, $iSelLang = 0, $target = 'I');

    /**
     * @param string $filename
--- a/Application/Model/Registries/registryAbstract.php
+++ b/Application/Model/Registries/registryAbstract.php
@ -31,7 +31,7 @@ abstract class registryAbstract implements registryGenericInterface
     */
    public function addGenerator($className)
    {
-        if ( ! $this->hasGenerator( $className ) ) {
+        if (false == $this->hasGenerator($className)) {
            /** @var pdfdocumentsGenericInterface $generator */
            $generator = oxNew( $className );

@ -49,7 +49,7 @@ abstract class registryAbstract implements registryGenericInterface
    {
        $requiredInterface = $this->getRequiredGeneratorInterfaceClassName();

-        if ( ! $item instanceof $requiredInterface ) {
+        if (false == $item instanceof $requiredInterface) {
            throw oxNew(wrongPdfGeneratorInterface::class, $requiredInterface);
        }

--- a/Modules/Application/Controller/d3_overview_controller_pdfdocuments.php
+++ b/Modules/Application/Controller/d3_overview_controller_pdfdocuments.php
@ -14,57 +14,37 @@ use D3\PdfDocuments\Application\Controller\orderOverviewPdfGenerator;
 use D3\PdfDocuments\Application\Model\Exceptions\noPdfHandlerFoundException;
 use D3\PdfDocuments\Application\Model\Exceptions\pdfGeneratorExceptionAbstract;
 use D3\PdfDocuments\Application\Model\Registries\registryOrderoverview;
-use Doctrine\DBAL\Driver\Exception;
-use Doctrine\DBAL\Exception as DBALException;
-use Doctrine\DBAL\ParameterType;
-use Doctrine\DBAL\Query\QueryBuilder;
+use OxidEsales\Eshop\Application\Controller\Admin\OrderOverview;
 use OxidEsales\Eshop\Application\Model\Order;
 use OxidEsales\Eshop\Core\DatabaseProvider;
 use OxidEsales\Eshop\Core\Exception\DatabaseConnectionException;
 use OxidEsales\Eshop\Core\Registry;
 use OxidEsales\Eshop\Core\TableViewNameGenerator;
-use OxidEsales\EshopCommunity\Internal\Container\ContainerFactory;
-use OxidEsales\EshopCommunity\Internal\Framework\Database\QueryBuilderFactoryInterface;
-use Psr\Container\ContainerExceptionInterface;
-use Psr\Container\NotFoundExceptionInterface;

 class d3_overview_controller_pdfdocuments extends d3_overview_controller_pdfdocuments_parent
 {
-    /**
+	/**
     * @return bool
-     * @throws Exception
+     * @throws DatabaseConnectionException
     */
-    public function d3CanExport(): bool
+    public function d3CanExport()
    {
-        try {
-            $sOrderId = $this->getEditObjectId();
+        // We force reading from master to prevent issues with slow replications or open transactions (see ESDEV-3804).
+        $masterDb = DatabaseProvider::getMaster();
+        $sOrderId = $this->getEditObjectId();

-            $viewNameGenerator = Registry::get( TableViewNameGenerator::class );
-            $sTable            = $viewNameGenerator->getViewName( "oxorderarticles" );
+        $viewNameGenerator = Registry::get(TableViewNameGenerator::class);
+        $sTable = $viewNameGenerator->getViewName("oxorderarticles");

-            /** @var QueryBuilder $queryBuilder */
-            $queryBuilder = ContainerFactory::getInstance()->getContainer()->get( QueryBuilderFactoryInterface::class )->create();
-            $queryBuilder
-                ->select( 'oxid' )
-                ->from( $sTable )
-                ->where(
-                    $queryBuilder->expr()->and(
-                        $queryBuilder->expr()->eq( 'oxorderid', $queryBuilder->createNamedParameter( $sOrderId ) ),
-                        $queryBuilder->expr()->eq( 'oxstorno', $queryBuilder->createNamedParameter( 0, ParameterType::INTEGER ) )
-                    )
-                );
-
-            return $queryBuilder->execute()->fetchOne();
-        } catch (NotFoundExceptionInterface|ContainerExceptionInterface|DBALException) {
-            return false;
-        }
+        $sQ = "select count(oxid) from $sTable where oxorderid = " . $masterDb->quote($sOrderId) . " and oxstorno = 0";
+        return (bool) $masterDb->getOne($sQ);
    }

    /**
     * @throws noPdfHandlerFoundException
     * @throws pdfGeneratorExceptionAbstract
     */
-    public function d3CreatePDF(): void
+    public function d3CreatePDF()
    {
        $soxId = $this->getEditObjectId();
        if ($soxId != "-1" && isset($soxId)) {
@ -77,7 +57,10 @@ class d3_overview_controller_pdfdocuments extends d3_overview_controller_pdfdocu
        }
    }

-    public function d3getGeneratorList(): registryOrderoverview
+    /**
+    * @return registryOrderoverview
+    */
+    public function d3getGeneratorList()
    {
        return oxNew(registryOrderoverview::class);
    }
--- a/README.md
+++ b/README.md
@ -5,7 +5,7 @@

 PDF-Dokumentgenerator für OXID eShop

-Erstellen Sie unterschiedliche statische oder dynamische PDF-Dokumente auf Knopfdruck. Der Dokumentinhalt wird aus Templates (Smarty bzw. Twig) erstellt.
+Erstellen Sie unterschiedliche statische oder dynamische PDF-Dokumente auf Kopfdruck. Der Dokumentinhalt wird aus Templates (Smarty bzw. Twig) erstellt.

 An den Bestellungen Ihres OXID-Shops steht Ihnen die Erstellung von Rechnung und Lieferschein zur Verfügung.

--- a/composer.json
+++ b/composer.json
@ -10,14 +10,13 @@
    "PDF",
    "documents",
    "invoice",
-    "delivery note",
-    "d3ac"
+    "delivery note"
  ],
  "authors": [
    {
        "name": "D3 Data Development (Inh. Thomas Dartsch)",
        "email": "info@shopmodule.com",
-        "homepage": "https://www.d3data.de",
+        "homepage": "http://www.d3data.de",
        "role": "Owner"
    }
  ],
@ -27,7 +26,7 @@
  ],
  "require": {
    "php": "^8.0",
-    "oxid-esales/oxideshop-ce": "7.0 - 7.2",
+    "oxid-esales/oxideshop-ce": "7.0 - 7.1",
    "spipu/html2pdf": "~5.2.8",
    "beberlei/assert": "^3.3.2"
  },
--- a/docs/daux/installation/010_Anforderungen/010_Systemanforderungen.md
+++ b/docs/daux/installation/010_Anforderungen/010_Systemanforderungen.md
@ -8,7 +8,6 @@ title: Systemanforderungen
    * OXID eShop Community Edition (CE), Professional Edition (PE) oder Enterprise Edition (EE) in Compilation Version
        * 7.0.x
        * 7.1.x
-        * 7.2.x
 * Themes
    * Diese Modul bindet sich nicht in Frontendthemes ein und ist daher davon unabhängig
 * Template-Engine
--- a/views/twig/documents/deliverynote/inc/informations.html.twig
+++ b/views/twig/documents/deliverynote/inc/informations.html.twig
@ -3,7 +3,7 @@
        {% block pdfDocumentInformations %}
            <div>
                {% set dateFormat = 'D3_PDFDOCUMENTS_DATE_FORMAT'|translate %}
-                {{ translate({ ident: "D3_PDFDOCUMENTS_DATE", suffix: "COLON" }) }} {{ "now"|date_format(dateFormat) }}
+                {{ translate({ ident: "D3_PDFDOCUMENTS_DATE", suffix: "COLON" }) }} {{ smarty.now|date_format(dateFormat) }}
            </div>
        {% endblock %}
    </div>
--- a/views/twig/documents/inc/helper/rulers.html.twig
+++ b/views/twig/documents/inc/helper/rulers.html.twig
@ -22,15 +22,15 @@
 </style>

 {# horizontal #}
-{% for rulerItemsHorizontal in range(10, 600, 10) %}
-    <div class="rulerItemHorizontal" style="left: {{ loop.index0 - pagePadding.3 }}mm">
+{% for rulerItemsHorizontal in 10..600 %}
+    <div class="rulerItemHorizontal" style="left: {{ smarty.section.rulerItemsHorizontal.index - pagePadding.3 }}mm">
        {{ loop.index0 }}
    </div>
 {% endfor %}

 {# vertical #}
-{% for rulerItemsVertical in range(0, 600, 10) %}
-    <div class="rulerItemVertical" style="top: {{ loop.index0 - pagePadding.0 }}mm">
+{% for rulerItemsVertical in 0..600 %}
+    <div class="rulerItemVertical" style="top: {{ smarty.section.rulerItemsVertical.index - pagePadding.0 }}mm">
        {{ loop.index0 }}
    </div>
 {% endfor %}
--- a/views/twig/documents/invoice/invoice.html.twig
+++ b/views/twig/documents/invoice/invoice.html.twig
@ -14,7 +14,6 @@
 {% endset %}

 {% set pdfBlock_content %}
-{#    {% include "@d3PdfDocuments/documents/inc/helper/rulers.html.twig" with {pagePadding: pagePadding} %}#}
    {% include "@d3PdfDocuments/documents/inc/elements/foldmarks.html.twig" with {pagePadding: pagePadding} %}

    {% block pdfAddressArea %}