Diagnosis
You have not specified a PDF form in print control for list &V1& forprint variant &V4& with reference order category &V2& and print programV3. you cannot print a list without a form.

System Response
If you are printing in online mode, the application prints the nextlist, once you have confirmed the message.
When shop floor papers are being printed in the background, the messageis automatically confirmed by the system and the application then printsthe next list.
However, if printing is carried out during updating in an update workprocess, the system terminates the update and the order or changes arenot saved. Printing in an update process is often carried out duringbatch conversion of planned orders. If an error occurs, the systemterminates not only the current conversion but also any mass conversionthat may be active.
If you execute Printing of Shop Floor Papers in the background inmass processing, the system terminates background printing after it hasoutput the message. You can use transaction SM58(transactional RFC) to determine the cause of the error.

Procedure
In print control, enter a PDF form for the list &V1&.
Execute Function