Sometimes the APERS TripwireMine does not work. As seems to me, the likelihood of problems increases significantly near objects. In the doorways, corridors, between buildings (exactly where it should be installed), the APERS TripwireMine does not work. https://www.youtube.com/watch?v=YWEg4Arh2J4&feature=youtu.be
In this video, Only ADR-97 mod (Official mod) was used. I suspect that near objects interfere. This bug appeared relatively recently, because before it worked well.