the file you attached still has the same probelm in it
<?php
WA_DFP_SetupUploadStatusStruct("WA_UploadResult1");
if(isset($_POST["Default_submit"]) || isset($_POST["Default_submit_x"])){
WA_DFP_UploadFiles("WA_UploadResult1", "fieldset_File_1_File", "2", "[NewFileName]_[Increment]", "false", $WA_UploadResult1_Params);
}
?>
is referancing:
fieldset_File_1_File
but the file field is named fieldset_Upload_File_1_File:
<input name="fieldset_Upload_File_1_File" type="file" id="fieldset_Upload_File_1_File" size="30" tabindex="1">