"X" - in Auto Allying function doesn't work

[CCCP84]

When player activate "Auto Allying" function, he can define teams to start positions (A, B, C, D) and there are also "x" and "-".
As it says there "x" does not allow the player to occupy this position.
But this option does not work. Players still can occupy this position.

[GrantBartlett]

When player activate "Auto Allying" function, he can define teams to start positions (A, B, C, D) and there are also "x" and "-". As it says there "x" does not allow the player to occupy this position. But this option does not work. Players still can occupy this position.

Can you confirm this reported bug happens on normal non custom maps, or is it just this map?

[CCCP84]

Yes. It doesn't work also with non custom maps.

Player chose the third position himself despite the fact that it was closed: