Cannot save attachments in ThunderBird 68.0

[Christoph Moench-Tegeder]

## Andrea Venturoli (ml at netfence.it):

> 68.0_2 brought other problems, BTW: at the bottom of the main TB window 
> I now have 2cm grey space with a red string:
> >                                   <treecols id="cardsTreecols" is="cards-pane-treecols" picketrooltipteck="&columnChooser2.tooltip;"/>
> > ----------------------------------^
> 
> Don't know why and if it comes from a plugin...

Looks like CardBook.
At least, some time ago Cardbook caused this in the newish Thunderbirds
(haven't checked back since, and I've no idea if perhaps some other
extension has the same problem).

Regards,
Christoph

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