Bug#861960: kmail fatal startup error "Invalid parent"

[Rik Mills <rikmills@kubuntu.org>]

On Thu, 07 Mar 2019 00:59:30 -0600 Nazar Zhuk <nazar@zhuk.online> wrote:

> After the first time, KMail opens normally. I attempted the following to
> reproduce on subsequent launches but was not successful:
> 
> - stopped akonadi
> - deleted:
>     ~/.cache
>     ~/.config/akonadi*
>     ~/.config/kmail*
>     ~/.local/share/akonadi*
>     ~/.local/share/kmail*
> 
> --
> Nazar

You also need to remove:

~/.config/specialmailcollectionsrc

to reproduce.

If that files exists with the default content, then there is no startup
crash.