Warning: Unsupported declare 'strict_types' in D:\xampp\htdocs\flutter_api\vendor\kreait\firebase-php\src\Firebase\Exception\Database\ReferenceHasNotBeenSnapshotted.php on line 3

Fatal error: Default value for parameters with a class type hint can only be NULL in D:\xampp\htdocs\flutter_api\vendor\kreait\firebase-php\src\Firebase\Exception\Database\ReferenceHasNotBeenSnapshotted.php on line 20