Fatal error: Uncaught Error: Interface 'Google\Cloud\Spanner\Session\SessionPoolInterface' not found in C:\xampp\htdocs\fphosting.eu\sub\payments\airbank\vendor\google\cloud\Spanner\src\Session\CacheSessionPool.php:102 Stack trace: #0 {main} thrown in C:\xampp\htdocs\fphosting.eu\sub\payments\airbank\vendor\google\cloud\Spanner\src\Session\CacheSessionPool.php on line 102