If you’ve encountered a message which states ‘An error has occurred while installing [Football Manager title] (missing app configuration)' when attempting to install [Football Manager title], please try the following:
- Shut down Steam
- Delete this file located at the following location: C:\Program Files (x86)\Steam\appcache\appinfo.vdf
- Launch Steam and install the game again
If the above doesn't help, please submit a support request stating exactly what you've tried so far, and a member of our team will try to help.