How to write comprehensive messages

Customer messages can be created via http://service.sap.com/message.
Try to be as precise as possible when specifing the support component. It is typically part of the trace (see bold red part of the sample below).
Briefly list the actions you performed in order to reproduce the problem.
If possible (and applicable) attach
- screenshots that help describing the issue
- the corresponding trace file (» how-to)
- the process model / deployable that might have caused the issue
  
  Sample Trace Snippet
  
  #2.0#2009 03 20 15:42:22:020#+0100#Error#com.sap.tc.bpem.wdui.taskinstance.taskexecution.TaskExecution#
  #BC-BMT-BPM-DSK#sap.com/tc~bpem~wdui~taskinstance#0019993BAC3100820000000000000320#406490750000000004
  #sap.com/tc~bpem~wdui~taskinstance#com.sap.tc.bpem.wdui.taskinstance.taskexecution.TaskExecution
  #Administrator#9##838F7E02155B11DEB3A70019993BAC31#4975c3d0155d11deb3f10019993bac31
  #4975c3d0155d11deb3f10019993bac31#0#Thread[HTTP Worker [@1892124631],5,Dedicated_Application_Thread]#Java##
  Error while trying to retrieve the task: Claiming user must be a Potential Owner or at least must substitute a potential or an actual owner! [EXCEPTION]