Notice: Undefined index: client_id in C:\htdocs\m3\scripts\CarsGroups.php on line 5

Notice: Undefined index: role_id in C:\htdocs\m3\scripts\CarsGroups.php on line 6

Notice: Undefined index: id in C:\htdocs\m3\scripts\CarsGroups.php on line 7

Fatal error: Class 'mysqli' not found in C:\htdocs\m3\scripts\CarsGroups.php on line 10