check active view can determined for getting debug bar component

Modules/Core/ShopControl_DebugBar.php

@@ -50,10 +50,14 @@ class ShopControl_DebugBar extends ShopControl_DebugBar_parent
     {
         if (!isAdmin()) {
             /** @var DebugBarComponent $debugBarComponent */
-            $debugBarComponent = Registry::getConfig()->getActiveView()->getComponent(DebugBarComponent::class);
+            $activeView =  Registry::getConfig()->getActiveView();
+            if ($activeView &&
+                $debugBarComponent = $activeView->getComponent(DebugBarComponent::class)
+            ) {
                 echo $debugBarComponent->getRenderer()->renderHead();
                 $debugBarComponent->addTimelineMessures();
                 echo $debugBarComponent->getRenderer()->render();
             }
         }
+    }
 }