How to debug database update tasks, message output type.

 1. Know how to replicate the program to debug. Get data to debug.

 2. If program is known, put external breakpoint (BP).  Plus All NACE routines, RSNASTED, etc. of the output type.

 3. Then run the program or tcode .  On the transaction screens, input all data. Then before saving the document. Activate debugger, or put /h in the command field.

 4. Once inside the debugger, check Update debugging.  Make it sure that it is check and activated. 

 5. Then press F8. Another debugging windows will open for the DB update. It should go to external BP.

  6. Usually the the program message update is open.