Fatal error: Uncaught Error: Using $this when not in object context in C:\xampp\htdocs\ApiSigestWin\1.20.09.09.5\var\cache\dev\ContainerAYVpEiL\getValidator_ExpressionService.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.20.09.09.5\var\cache\dev\ContainerAYVpEiL\getValidator_ExpressionService.php on line 13