On this page you would need to change line 72 to:
$InsertQuery->bindColumn("image", "s", "".($WA_DFP_UploadStatus["WA_UploadResult1"]["serverFileName"]?"https://performancehorsehotline.com/files-events-2020/".$WADAtbl_posts_update->getColumnVal("customerid") ."/".($WA_DFP_UploadStatus["WA_UploadResult1"]["serverFileName"]):$WADAtbl_posts_update->getColumnVal("image",false)) ."", "WA_BLANK");