Ok. I updated that file and now it gives this error:
Warning: mysqli_stmt::bind_param(): Number of variables doesn't match number of parameters in prepared statement in C:\Apache24\htdocs\webassist\mysqli\queryobj.php on line 490
UPDATE athlete_registrations SET `level4` = 'Varsity', `physical_date` = 7114, `concussion_course2` = ?, `impact_testing_date` = ? WHERE `registrationID` = ?
No data supplied for parameters in prepared statement