Fatal error: Uncaught Error: Using $this when not in object context in C:\xampp\htdocs\ApiSigestWin\var\cache\dev\ContainerAYVpEiL\getSecurity_Firewall_Map_Context_MainService.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\var\cache\dev\ContainerAYVpEiL\getSecurity_Firewall_Map_Context_MainService.php on line 23