I'm during the transfer window (1.8) , trying to register players to the league, however there seems to be a bug. Some players are just greyed out for no reason.
I tried all sort of stuff:
1. unregister a random player - I can't register him again (becomes greyed out).
2. Click on "Clear Selection" - all players can't be registered back, when I click on "Auto Select", it just registers 9 player out of 29 that were registered before, the rest are greyed out.
3. New signings can be registered..