Tatsuya Noda

``` Caused by: org.spongepowered.asm.mixin.throwables.MixinApplyError: Mixin [mixins.optifine.json:integration.MixinOptiFineFramebuffer from mod (unknown)] from phase [DEFAULT] in config [mixins.optifine.json] FAILED during APPLY ... Caused by: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: @Shadow field stencilEnabled was not located in the...

EMC relies on optifine internal (not optifabric itself), so the optifabric developer can't deal with this. I think you have three options: 1. ask the EMC developer to fix it...

Unfortunately, I can't find all the essential information (such as which part causes it). Did you cut off your stacktrace? If so, please upload full of latest.log.

``` - kyrptconfig 1.4.6-1.19 via upgradedshulkers ... - upgradedshulkers 1.1.2-1.19 ... Caused by: org.spongepowered.asm.mixin.injection.throwables.InjectionError: Critical injection failure: Redirector spoofDisplayOnlyKeyBinds(Lnet/minecraft/class_304;)Ljava/lang/String; in net.kyrptonaught.kyrptconfig.json:displaykeybind.GameOptionsMixin from mod kyrptconfig failed injection check, (0/1) succeeded. Scanned...

> Just wanted to add my log for reference, I seem to be experiencing the same (or very similar) crash to OP. > > https://paste.ee/p/6zhPx Unfortunately, this is a very...

And I think optifine H9 (pre) has another incompatible change for optifabric.

``` - kyrptconfig 1.4.6-1.19 via inventorysorter ... Caused by: org.spongepowered.asm.mixin.injection.throwables.InjectionError: Critical injection failure: Redirector spoofDisplayOnlyKeyBinds(Lnet/minecraft/class_304;)Ljava/lang/String; in net.kyrptonaught.kyrptconfig.json:displaykeybind.GameOptionsMixin from mod kyrptconfig failed injection check, (0/1) succeeded. Scanned 1 target(s). Using refmap...

According to your stack trace, dashloader's mixin cannot apply with optifabric. I don't think dashloader is compatible with optifabric, by design.

I forgot to mention, but citresewn is "optifine alternative" mod, so it's incompatible too.

Could you find problem mods from `InvalidInjectionException` and check about that mod? https://www.curseforge.com/minecraft/mc-mods/free-cam?comment=68 (and comment 70) Thanks!