The issue is on userupdate-email-password.php, There are some strange characters in the column references near the end of lne 122.
Try updating that line to:
$WA_fieldValuesStr = "".((isset($_POST["User_Update_group_Email"]))?$_POST["User_Update_group_Email"]:"") ."" . $WA_AB_Split . "".((isset($_POST["User_Update_group_2_Password"]))?$_POST["User_Update_group_2_Password"]:"") ."" . $WA_AB_Split . "".((isset($_POST["User_Update_group_4_First_Name"]))?$_POST["User_Update_group_4_First_Name"]:"") ."" . $WA_AB_Split . "".((isset($_POST["User_Update_group_5_Last_Name"]))?$_POST["User_Update_group_5_Last_Name"]:"") ."" . $WA_AB_Split . "".((isset($_POST["User_Update_group_8_City"]))?$_POST["User_Update_group_8_City"]:"") ."" . $WA_AB_Split . "".((isset($_POST["User_Update_group_9_State"]))?$_POST["User_Update_group_9_State"]:"") ."" . $WA_AB_Split . "".((isset($_POST["User_Update_group_10_Zip"]))?$_POST["User_Update_group_10_Zip"]:"") ."" . $WA_AB_Split . "".((isset($_POST["User_Update_group_12_Phone"]))?$_POST["User_Update_group_12_Phone"]:"") ."" . $WA_AB_Split . "".((isset($_POST["User_Update_group_13_Fax"]))?$_POST["User_Update_group_13_Fax"]:"") ."" . $WA_AB_Split . "".((isset($_POST["User_Update_group_11_Country"]))?$_POST["User_Update_group_11_Country"]:"") ."" . $WA_AB_Split . "".((isset($_POST["User_Update_group_6_Address"]))?$_POST["User_Update_group_6_Address"]:"") ."" . $WA_AB_Split . "".((isset($_POST["User_Update_group_7_Address_2"]))?$_POST["User_Update_group_7_Address_2"]:"") ."" . $WA_AB_Split . "".(($row_SecurityAssistusers['UserEmail'] != $_POST["User_Update_group_Email"])? '0': $row_SecurityAssistusers['emailVerified']) ."";