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minecraft forge 1.20.1 crashing, usually with optifine. java.lang.IllegalStateException: Already building.

mothpuppies

By mothpuppies
in Support & Bug Reports

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mothpuppies Tree Puncher

mothpuppies

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when forge is ran, it starts two instances for some reason, both of which dont work at all, one is just a red/pink screen and the other looks like its actually attempting to load, but both end up crashing. trying to figure out what the issue is, as this isnt happening on other computers.
tried completely deleting the mods folder, deleted all config related files so they could get replaced with fresh ones, and there are no resource packs. there are shaderpacks but none are actively being used. tried multiple versions of forge and optifine.

i can supply the log folder if required but ive never posted before and created an account just for this, i dont see where to upload files.

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