Caused by: org.spongepowered.asm.mixin.injection.throwables.InvalidInjectionException: Invalid descriptor on seedcracker.mixins.json:ClientPlayNetworkHandlerMixin->@Inject::onInit(Lnet/minecraft/class_310;Lnet/minecraft/class_437;Lnet/minecraft/class_2535;Lcom/mojang/authlib/GameProfile;Lorg/spongepowered/asm/mixin/injection/callback/CallbackInfo;)V from mod seedcracker!
SeedCracker is not on 1.18 or 1.18.1.