Well, to be clear, it was mostly empty, probably because of repeated crashes, and because of it, I lose motivation to debug it. I was looking at it on a daily basis but none or too few were playing to crash... then it crashed but I was not looking anymore and logs were cleaned up before I check it.
So my fault here. I got little time so I've try to be fast and as always in this situation, it failed... I'll fully removed the code soon. If I ever get time to try again, it will be with arma-ct scripting. That the right way to do it anyway.