yesterday I finished addnig routes from HER to the world and wanted to continue from SKG. While doing this I always check if airports became "available" (meaning that gates went free) and add routes also from HER or ATH. It didn't take long till I went for SKG - TIA. All fine. As I have no flights from HER or ATH to TIA, I wanted to add some. But that failed. Instead of showing this green message "the selected aircraft..." and so on, it jumps back to the "add flights" page. Same with HER and ATH. Don't have experienced the problem elsewhere yet.
Wanted to add flights with Iljushin Il-18D in 12C 100Y config. Didn't try an other ac.
Any thoughts? Just wanted to know, cuz that one route won't kill me..