in the In the waue_for_1.php file try changing:
//Attachment Entries
$WA_MailObject = WAUE_AddAttachment($WA_MailObject,"".$WA_DFP_Uploa dStatus["WA_UploadResult1"]["serverFileName"] ."");
to:
//Attachment Entries
$WA_MailObject = WAUE_AddAttachment($WA_MailObject,"".$WA_DFP_UploadStatus["WA_UploadResult1"]["serverDirectory"]."".$WA_DFP_Uploa dStatus["WA_UploadResult1"]["serverFileName"] ."");