System Error

Message: syntax error, unexpected identifier "self", expecting ")"

File: C:\xampp\htdocs\new\core\ModuleManager.php on line 199

#0 C:\xampp\htdocs\new\core\bootstrap.php(310): {closure}('GR\\ModuleManage...')
#1 C:\xampp\htdocs\new\index.php(37): require_once('C:\\xampp\\htdocs...')
#2 {main}