Fatal error: Uncaught Error: Class "Espo\Core\Formula\Functions\BaseFunction" not found in C:\xampp\htdocs\application\Espo\Core\Formula\Functions\ExtGroup\WorkingTimeGroup\Base.php:47 Stack trace: #0 {main} thrown in C:\xampp\htdocs\application\Espo\Core\Formula\Functions\ExtGroup\WorkingTimeGroup\Base.php on line 47