The event must be located exactly in that cell, specifically 0/0 on the surface (check it in the editor, even though it seems silly, and you’ve probably checked it many times already, but such simple mistakes are sometimes found even after long and careful checks. As for the automatic check by the ERM analyzer for the presence of an event in that cell, I don’t remember… it should be there...).
If all this doesn’t help, please contact me on ICQ 421*049*471, I will explain everything and we will check everything. If you don’t have ICQ, then send me a private message.
Good luck!