Comment 7 for bug 793380

After the last failed sync, I deleted all files in ~/.local/share/tomboy (but leaving the directory empty), then restarted tomboy and sync. It downloads several notes from Ubuntu One, then failed again !!

[DEBUG 22:19:14.947] Creating Buffer for 'eyeOS Competition (old) 1'...
[DEBUG 22:19:14.969] Saving 'Business Notebook Template'...
[DEBUG 22:19:14.970] Saving 'Bisnis Internet (old) 3'...
[ERROR 22:19:14.973] Synchronization failed with the following exception: Collection was modified; enumeration operation may not execute.
  at System.Collections.Generic.List`1+Enumerator[Tomboy.Note].VerifyState () [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1+Enumerator[Tomboy.Note].MoveNext () [0x00000] in <filename unknown>:0
  at Tomboy.NoteManager.Find (System.String linked_title) [0x00000] in <filename unknown>:0
  at Tomboy.Sync.SyncManager.SynchronizationThread () [0x00000] in <filename unknown>:0
[DEBUG 22:19:15.177] Saving 'Bisnis Internet (old) 2'...
[DEBUG 22:19:15.432] Saving 'Bisnis Internet (old) 1'...
[DEBUG 22:19:15.638] Saving 'HendyIrawan.com'...

(Tomboy:2013): GLib-CRITICAL **: g_source_remove: assertion `tag > 0' failed
[DEBUG 22:19:15.640] Saving 'CDO Standalone'...