Mobile Truck Wash

Fatal error: Uncaught Error: Class 'InputFilter' not found in /home/mobiletruckwash/public_html/includes/form.php:6 Stack trace: #0 /home/mobiletruckwash/public_html/includes/inc_functions.php(150): include() #1 /home/mobiletruckwash/public_html/includes/inc_normal.php(1370): incform() #2 /home/mobiletruckwash/public_html/index.php(708): include('/home/mobiletru...') #3 {main} thrown in /home/mobiletruckwash/public_html/includes/form.php on line 6