[Bug 90410] Crash on email save as, with attachment error

[timski]

Public bug reported:

Binary package hint: mozilla-thunderbird

Open an old email. File - Save As - File. Name and save (separate
partition, albeit on same physical disk). Thunderbird crashes after an
error box with words to the effect of "failed to save attachment". The
email in question had no attachment. This error cannot be reproduced:
Restarting and saving the same email again worked perfectly. The only
quirk worth noting is that I've "archived" (read: save to text) over
hundred old emails this session - not something I would normally do.

** Affects: mozilla-thunderbird (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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Crash on email save as, with attachment error
https://launchpad.net/bugs/90410