I've tried to split a topic up, but only succeeded in screwing that up :)
The answer the user posted was:
These are the rules I see when I try to sell a ticket too soon:
Box office
No tickets are available at this time for this match.
- Tickets can be bought no more than 3 days in advance.
- No tickets can be bought for friendly matches
- No tickets can be bought for cup matches
- No tickets can be bought for playoffs matches.
- Tickets can be sold for all home matches in your league.
- The home team should have a stadium.
- You can't sell tickets to matches of national teams
- No tickets can be bought for youth matches.