Very frustratingly one of my careers was brought to an end prematurely by "automission start failed" yesterday. Instead of starting over I decided to do something about it and the fix is quite simple!
You need this file "CP". BACK IT UP and close your game.
and a database editor - I use this one which is freeware: http://sqlitebrowser.org
To fix, open your database editor and load CP.db - if you change the tab to "Browse Data"