hey, i've got a weird crash whenever i die, and i can't figure out why. any advice?

Description: Unexpected error

java.lang.NullPointerException: Unexpected error
at net.minecraft.class_284.method_1303(class_284.java:460)
at net.minecraft.class_284.method_1300(class_284.java:448)
at net.minecraft.class_280.method_1277(class_280.java:313)
at net.minecraft.class_283.method_1293(class_283.java:77)
at net.minecraft.class_279.method_1258(class_279.java:332)
at ladysnake.satin.impl.ResettableManagedShaderEffect.render(ResettableManagedShaderEffect.java:112)
at ladysnake.requiem.client.ZaWorldFx.renderShaderEffects(ZaWorldFx.java:136)
at ladysnake.satin.api.event.ShaderEffectRenderCallback.lambda$null$0(ShaderEffectRenderCallback.java:31)
at ladysnake.satin.api.event.ShaderEffectRenderCallback$$Lambda$5611/1450341843.renderShaderEffects(Unknown Source)
at net.minecraft.class_757.handler$did000$hookShaderRender(class_757.java:8472)
at net.minecraft.class_757.method_3192(class_757.java:555)
at net.minecraft.class_310.method_1523(class_310.java:1048)
at net.minecraft.class_310.method_1514(class_310.java:681)
at net.minecraft.client.main.Main.main(Main.java:215)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.fabricmc.loader.game.MinecraftGameProvider.launch(MinecraftGameProvider.java:226)
at net.fabricmc.loader.launch.knot.Knot.launch(Knot.java:146)
at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at link.infra.jumploader.Jumploader.onLoad(Jumploader.java:171)
at cpw.mods.modlauncher.TransformationServiceDecorator.onLoad(TransformationServiceDecorator.java:53)
at cpw.mods.modlauncher.TransformationServicesHandler.lambda$loadTransformationServices$11(TransformationServicesHandler.java:131)
at cpw.mods.modlauncher.TransformationServicesHandler$$Lambda$58/1364913072.accept(Unknown Source)
at java.util.HashMap$Values.forEach(HashMap.java:972)
at cpw.mods.modlauncher.TransformationServicesHandler.loadTransformationServices(TransformationServicesHandler.java:131)
at cpw.mods.modlauncher.TransformationServicesHandler.initializeTransformationServices(TransformationServicesHandler.java:56)
at cpw.mods.modlauncher.Launcher.run(Launcher.java:76)
at cpw.mods.modlauncher.Launcher.main(Launcher.java:66)

This can be fixed by manually installing an adequate version of Satin

This was solved over on the discord. If you're having the same problems, try removing the "Crimson Moon" mod if it's installed