I think I see the problem. You have the date code as:
$date(m/d/Y)
it should be:
$date("m/d/Y")
change line 306 to:
$WA_fieldValuesStr = "".session_id() ."" . "|" . "".((isset($_POST["email"]))?$_POST["email"]:"") ."" . "|" . WA_eCDB_ConvertNumber("".$eCart1->GetShipping() ."") . "|" . WA_eCDB_ConvertNumber("".$eCart1->GetTax() ."") . "|" . WA_eCDB_ConvertNumber("".$eCart1->GrandTotal() ."") . "|" . "".$date("m/d/Y") ."" . "|" . "".((isset($_POST["firstname"]))?$_POST["firstname"]:"") ." ".((isset($_POST["lastname"]))?$_POST["lastname"]:"") ."" . "|" . "".((isset($_SERVER["REMOTE_ADDR"]))?$_SERVER["REMOTE_ADDR"]:"") ."";