Sorry, those were the duplicate lines I forgot to delete again. After deleting those I get this error:
Notice: Undefined variable: row_WADApcms2_users in C:\xampp\htdocs\ALF\public_html\serving\kids\kids_insert_shift.php on line 12
Warning: call_user_func_array() expects parameter 1 to be a valid callback, first array member is not a valid class name or object in C:\xampp\htdocs\ALF\public_html\webassist\mysqli\queryobj.php on line 123
Fatal error: Call to a member function execute() on a non-object in C:\xampp\htdocs\ALF\public_html\webassist\mysqli\queryobj.php on line 124