On Mi, 2011-03-09 at 18:56 +0000, Tino Keitel wrote: Thanks. Can you also send me the log file of the server for such a failure? The client receives a Delete command without any IDs in it, that's what leads to the error above. The root cause is on the server side. How did you know which event to delete? What backend do you use? File backend or EDS? If it is Evolution, which version of it? -- Best Regards, Patrick Ohly The content of this message is my personal opinion only and although I am an employee of Intel, the statements I make here in no way represent Intel's position on the issue, nor am I authorized to speak on behalf of Intel on this matter.