I was making alot of machines today but when I used the engineer's hammer on the completed fermenter structure the game lagged and then it crashed. Here is the crash report:

crash-2020-08-24_10.19.53-client.txt

and also I can't figure out how to put fluids into mixer

did you have something in your off-hand?
can you reeanact this whole thing without optifine?

i see optifine in your log and something that seems to have to do with off-hand code

did you have something in your off-hand?
can you reeanact this whole thing without optifine?

i see optifine in your log and something that seems to have to do with off-hand code

ok I'll try

Closed due to lack of feedback