diff --git a/database/migrations/2023_10_25_171457_add_created_at_to_menu_table.php b/database/migrations/2023_10_25_171457_add_created_at_to_menu_table.php
index c5c9f83b..c7fc39fe 100644
--- a/database/migrations/2023_10_25_171457_add_created_at_to_menu_table.php
+++ b/database/migrations/2023_10_25_171457_add_created_at_to_menu_table.php
@@ -11,8 +11,11 @@
      */
     public function up(): void
     {
+        if (Schema::hasColumn('menu', 'created_at')) {
+            return;
+        }
         Schema::table('menu', function (Blueprint $table) {
-            $table->timestamp('created_at');
+            $table->timestamp('created_at')->nullable();
         });
     }
 
diff --git a/src/Services/Editor/FieldsProperties.php b/src/Services/Editor/FieldsProperties.php
index 806dfc4e..b2967609 100644
--- a/src/Services/Editor/FieldsProperties.php
+++ b/src/Services/Editor/FieldsProperties.php
@@ -150,7 +150,7 @@ private function addLayoutFields(array $properties, LayoutForm &$form)
                         //     $checkboxField->setValue(true);
                         // } else {
                         $checkboxField->setValue(false);
-                        // }
+                    // }
                     } else {
                         $checkboxField->setValue($value ?? false);
                     }
diff --git a/src/Services/Indexer/SearchItem.php b/src/Services/Indexer/SearchItem.php
index 38b70e2d..52cd12ca 100644
--- a/src/Services/Indexer/SearchItem.php
+++ b/src/Services/Indexer/SearchItem.php
@@ -17,9 +17,9 @@ final class SearchItem
 
     private bool $inSitemap = true;
 
-    private ?DateTime $publicationDate;
+    private ?DateTime $publicationDate = null;
 
-    private ?DateTime $lastUpdated;
+    private ?DateTime $lastUpdated = null;
 
     private int $priority = 1;
 
@@ -146,12 +146,7 @@ public function content(): ?string
      */
     public function publicationDate(): ?string
     {
-        $time = $this->publicationDate ?? $this->lastUpdated;
-        if ($time === null) {
-            return null;
-        }
-
-        return $time->format(DateTime::ATOM);
+        return $this->toDateString($this->publicationDate ?? $this->lastUpdated);
     }
 
     /**
@@ -162,12 +157,7 @@ public function publicationDate(): ?string
      */
     public function lastUpdated(): ?string
     {
-        $time = $this->lastUpdated ?? $this->publicationDate;
-        if ($time === null) {
-            return null;
-        }
-
-        return $time->format(DateTime::ATOM);
+        return $this->toDateString($this->lastUpdated ?? $this->publicationDate);
     }
 
     public function customValues(): ?array
@@ -189,4 +179,13 @@ public function sitemap(): bool
     {
         return $this->inSitemap;
     }
+
+    private function toDateString(?DateTime $date): ?string
+    {
+        if ($date === null) {
+            return null;
+        }
+
+        return $date->format(DateTime::ATOM);
+    }
 }