I am not even trying to try reproduce this on my own because that specific function is about 2 lines of code long and it is used tens or hundreds of times every tick by roughly all the players. I do not believe it could be faulty with such a low crash rate. Given that there are no reproduction step...

I was playing peacefully but when I hand-crafted some fast stack inserter while I had my first crash ever after around 2500 hours. I can't really tell what caused this crash, I have no idea how to reproduce it. 0.000 2024-07-28 18:33:35; Factorio 1.1.109 (build 62320, linux64, full) 0.023 Operating ...