Created attachment 88284 [details]
1. Open Kontact
2. Open a single Mail in Kmail (IMAP)
3. Open the "help" menu and choose "Einführung zu Kmail" (german)
4. Select the first email in the folder -> nothing happens.
5. Select the next mail -> crash
The Version is 4.13.3
*** This bug has been marked as a duplicate of bug 253031 ***