Missing asset deletion problem

Is anyone else getting thrown out of TANE when you try to delete missing assets using the menu selection
on a route you have made with sp1?

This used to be an issue with TS12, but since I haven't had to use this feature in T:ANE I haven't tested it.

If the problem is similar to what occurred/occurs in TS12, then you need to do this in the Session Editor, and ensure all your layers are unlocked beforehand.