Fatal error: Uncaught Error: Interface 'Google\Cloud\Core\Iam\IamConnectionInterface' not found in C:\xampp\htdocs\fphosting.eu\sub\payments\airbank\vendor\google\cloud\Spanner\src\Connection\IamInstance.php:25 Stack trace: #0 {main} thrown in C:\xampp\htdocs\fphosting.eu\sub\payments\airbank\vendor\google\cloud\Spanner\src\Connection\IamInstance.php on line 25