Fatal error: Uncaught Error: Undefined constant "MAIN_CFG_CLIENT" in E:\TeaConcepts\Projects\_master\_lib\php\basic.php:27 Stack trace: #0 E:\TeaConcepts\Projects\CleanCrew\www\customers.php(5): require() #1 {main} thrown in E:\TeaConcepts\Projects\_master\_lib\php\basic.php on line 27