Trying to post attachments to Vendor master record using XK02. Getting error message: Document Type (fieldname GOS_AR_OBJ) for Attachment file couldn't be determined. Maintain Type in SM30 Table /WINSHTLQ/DEFVAL. When checking table /WINSHTLQ/DEFVAL in SM30, there are entries present.
Confirm you have the Winshuttle Function module installed in SAP, and what version. In the zip folder when initally installing the Function Module, there is a "Read Me" text file. Open the text file and perform the steps outlined in Step #3. Below is the example for version 11.2 (this may vary between versions).