Posted July 1, 20178 yr I downloaded the latest forge and then downloaded the latest optifine .jar and placed it into my mods folder. When I try to run it, the game crashes and says only this: Error: java.lang.AbstractMethodError The crash report itself doesn't open at all. Any of my other mods work but Optifine C3 doesn't. I tried C2 (the only other option) and the mirrors if that doesn't' anything but it didn't work. This is all for 1.12
July 1, 20178 yr Optifine must be used with specific Forge versions, Refer to its install instructions. I do Forge for free, however the servers to run it arn't free, so anything is appreciated. Consider supporting the team on Patreon
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