Version 5.0.0 beta 3

system/Node/Model.php

@@ -964,7 +964,7 @@ abstract class Model extends ActiveRecord
 	protected function get__position(): int|null
 	{
 		$orderColumn = static::$databaseColumnOrder;
-		return $this->$orderColumn;
+		return (int) $this->$orderColumn;
 	}
 
 	/**