diff --git a/phpstan-baseline-level-3.neon b/phpstan-baseline-level-3.neon
index c5e4d32fc..bcc9b773d 100644
--- a/phpstan-baseline-level-3.neon
+++ b/phpstan-baseline-level-3.neon
@@ -10,16 +10,6 @@ parameters:
 			count: 1
 			path: src/Bundle/ChillActivityBundle/Repository/ActivityReasonRepository.php
 
-		-
-			message: "#^Parameter \\#3 \\$entity \\(Chill\\\\ActivityBundle\\\\Entity\\\\Activity\\) of method Chill\\\\ActivityBundle\\\\Service\\\\DocGenerator\\\\ActivityContext\\:\\:buildPublicForm\\(\\) should be contravariant with parameter \\$entity \\(mixed\\) of method Chill\\\\DocGeneratorBundle\\\\Context\\\\DocGeneratorContextWithPublicFormInterface\\:\\:buildPublicForm\\(\\)$#"
-			count: 1
-			path: src/Bundle/ChillActivityBundle/Service/DocGenerator/ActivityContext.php
-
-		-
-			message: "#^Parameter \\#3 \\$entity \\(Chill\\\\ActivityBundle\\\\Entity\\\\Activity\\) of method Chill\\\\ActivityBundle\\\\Service\\\\DocGenerator\\\\ActivityContext\\:\\:storeGenerated\\(\\) should be contravariant with parameter \\$entity \\(object\\) of method Chill\\\\DocGeneratorBundle\\\\Context\\\\DocGeneratorContextInterface\\:\\:storeGenerated\\(\\)$#"
-			count: 3
-			path: src/Bundle/ChillActivityBundle/Service/DocGenerator/ActivityContext.php
-
 		-
 			message: "#^Parameter \\#1 \\$entity \\(Chill\\\\ActivityBundle\\\\Entity\\\\ActivityReason\\) of method Chill\\\\ActivityBundle\\\\Templating\\\\Entity\\\\ActivityReasonRender\\:\\:renderString\\(\\) should be contravariant with parameter \\$entity \\(object\\) of method Chill\\\\MainBundle\\\\Templating\\\\Entity\\\\ChillEntityRenderInterface\\:\\:renderString\\(\\)$#"
 			count: 2
diff --git a/src/Bundle/ChillActivityBundle/Service/DocGenerator/ActivityContext.php b/src/Bundle/ChillActivityBundle/Service/DocGenerator/ActivityContext.php
index ac832b34b..60af723dc 100644
--- a/src/Bundle/ChillActivityBundle/Service/DocGenerator/ActivityContext.php
+++ b/src/Bundle/ChillActivityBundle/Service/DocGenerator/ActivityContext.php
@@ -32,6 +32,9 @@ use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
+/**
+ * @implements DocGeneratorContextWithPublicFormInterface<Activity>
+ */
 class ActivityContext implements
     DocGeneratorContextWithAdminFormInterface,
     DocGeneratorContextWithPublicFormInterface
@@ -237,9 +240,6 @@ class ActivityContext implements
         return $denormalized;
     }
 
-    /**
-     * @param Activity $entity
-     */
     public function storeGenerated(DocGeneratorTemplate $template, StoredObject $storedObject, object $entity, array $contextGenerationData): void
     {
         $storedObject->setTitle($this->translatableStringHelper->localize($template->getName()));
diff --git a/src/Bundle/ChillWopiBundle/src/Service/Wopi/ChillDocumentManager.php b/src/Bundle/ChillWopiBundle/src/Service/Wopi/ChillDocumentManager.php
index c5efc4bfd..ce75cafa8 100644
--- a/src/Bundle/ChillWopiBundle/src/Service/Wopi/ChillDocumentManager.php
+++ b/src/Bundle/ChillWopiBundle/src/Service/Wopi/ChillDocumentManager.php
@@ -134,7 +134,7 @@ final class ChillDocumentManager implements DocumentManagerInterface
      */
     public function getCreationDate(Document $document): DateTimeInterface
     {
-        return $document->getCreationDate();
+        return $document->getCreatedAt() ?? new \DateTimeImmutable('now');
     }
 
     /**