It appears you've maxed out the number of windows you can display for a particular aircraft. Is it just one aircraft or all of them?
Also, you could look at this thread and see where others have had this issue with max windows:
http://www.fspassengers.com/forum/showth...ax+windows
Moreover, you could do a search for "max windows" and see the different topics related to it.
Also, you could look at this thread and see where others have had this issue with max windows:
http://www.fspassengers.com/forum/showth...ax+windows
Moreover, you could do a search for "max windows" and see the different topics related to it.
See FsPassengers Frequently Asked Questions: FAQ