change line 43:
$WA_fieldValuesStr = "".((isset($_POST["AgeGroup"]))?$_POST["AgeGroup"]:"") ."" . "|" . "".((isset($_POST["GenderGroup"]))?$_POST["GenderGroup"]:"") ."" . "|" . "".((isset($_POST["EthnicityGroup"]))?$_POST["EthnicityGroup"]:"") ."" . "|" . "".((isset($_POST["CentreQuestionGroup[]"]))?$_POST["CentreQuestionGroup[]"]:"") ."" . "|" . "".((isset($_POST["CentreComments"]))?$_POST["CentreComments"]:"") ."" . "|" . "".((isset($_POST["AreaQuestionGroup[]"]))?$_POST["AreaQuestionGroup[]"]:"") ."" . "|" . "".((isset($_POST["AreaComments"]))?$_POST["AreaComments"]:"") ."" . "|" . "".((isset($_POST["Promotion[]"]))?$_POST["Promotion[]"]:"") ."" . "|" . "".((isset($_POST["KeysComment"]))?$_POST["KeysComment"]:"") ."" . "|" . "".((isset($_POST["GTAComment"]))?$_POST["GTAComment"]:"") ."" . "|" . "".((isset($_POST["MeetComment"]))?$_POST["MeetComment"]:"") ."";
to:
$WA_fieldValuesStr = "".((isset($_POST["AgeGroup"]))?$_POST["AgeGroup"]:"") ."" . "|" . "".((isset($_POST["GenderGroup"]))?$_POST["GenderGroup"]:"") ."" . "|" . "".((isset($_POST["EthnicityGroup"]))?$_POST["EthnicityGroup"]:"") ."" . "|" . "".((isset($_POST["CentreQuestionGroup"]))?$_POST["CentreQuestionGroup"]:"") ."" . "|" . "".((isset($_POST["CentreComments"]))?$_POST["CentreComments"]:"") ."" . "|" . "".((isset($_POST["AreaQuestionGroup"]))?$_POST["AreaQuestionGroup"]:"") ."" . "|" . "".((isset($_POST["AreaComments"]))?$_POST["AreaComments"]:"") ."" . "|" . "".((isset($_POST["Promotion"]))?$_POST["Promotion"]:"") ."" . "|" . "".((isset($_POST["KeysComment"]))?$_POST["KeysComment"]:"") ."" . "|" . "".((isset($_POST["GTAComment"]))?$_POST["GTAComment"]:"") ."" . "|" . "".((isset($_POST["MeetComment"]))?$_POST["MeetComment"]:"") ."";