Posted December 24, 20195 yr My forge 1.12.2 won't start. I tried many different things like reading other topics, but I can't find out how I get it to work. Help would be appreciated!
December 24, 20195 yr Post logs as described in the EAQ, without further information it could be literally anything causing your issue.
December 24, 20195 yr Quote [12:12:52] [main/INFO] [STDOUT]: [optifine.OptiFineClassTransformer:dbg:221]: OptiFine ZIP file: C:\Users\johan\AppData\Roaming\.minecraft\mods\OptiFine_1.8.9_HD_U_I7.jar So firstly, you have optifine for 1.8.9 trying to load in 1.12.2, which won't work, remove that old version, and get the one for 1.12.2 if you need it. (it almost looks like you have 2 copies of optifine in there with different filenames. Remove them all) Quote [12:12:56] [main/INFO] [LaunchWrapper]: Calling tweak class codes.biscuit.skyblockaddons.tweaker.SkyblockAddonsTweaker [12:12:56] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: java.lang.NoClassDefFoundError: org/apache/logging/log4j/core/helpers/Booleans It would also appear that you skyblockadditions mod is also for 1.8.9, remove/update that one. After these fixes, see what happens! Good luck, and Happy Holidays!
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