/home/ispconfig/web11/web/ProtectoR-TP/modules/protector/include/precheck_functions.php:12: Fatal[2048]: Non-static method Protector::getInstance() should not be called statically

/home/ispconfig/web11/web/ProtectoR-TP/modules/protector/include/precheck_functions.php:12: Fatal[2048]: Non-static method Protector::getInstance() should not be called statically