fix partner

src/Entity/Partner.php

@@ -18,7 +18,7 @@ class Partner
     private ?int $id = null;
 
     #[ORM\Column(type: "integer", unique: true, nullable: true, options: ["unsigned" => true])]
-    protected ?int $navisionId;
+    protected ?int $navisionId = null;
 
     #[ORM\Column(length: 255)]
     private string $name;
@@ -131,7 +131,7 @@ class Partner
         return $this->navisionId;
     }
 
-    public function setNavisionId(int $navisionId): void
+    public function setNavisionId(?int $navisionId): void
     {
         $this->navisionId = $navisionId;
     }