java.lang.NullPointerException: Cannot invoke "pregenerator.base.mixins.common.storage.RegionFileCacheMixin.getRegionCache()" because "mixin" is null
	at TRANSFORMER/chunkpregen@1.21-4.4.5/pregenerator.common.manager.ServerManager.onWorldLoad(ServerManager.java:494)
	at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:350)
	at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:315)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.createLevels(MinecraftServer.java:375)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:337)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.client.server.IntegratedServer.initServer(IntegratedServer.java:77)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:670)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:267)
	at java.base/java.lang.Thread.run(Thread.java:1583)
[16:17:08] [c2me-worker-5/WARN] [mixin/]: Static binding violation: PRIVATE @Overwrite method getBuryContribution in c2me-opts-worldgen-vanilla.mixins.json:structure_weight_sampler.MixinStructureWeightSampler from mod c2me_opts_worldgen_vanilla cannot reduce visibiliy of PROTECTED target method, visibility will be upgraded.
java.lang.NullPointerException: Cannot invoke "pregenerator.base.mixins.common.storage.RegionFileCacheMixin.getRegionCache()" because "mixin" is null
	at TRANSFORMER/chunkpregen@1.21-4.4.5/pregenerator.common.manager.ServerManager.onWorldLoad(ServerManager.java:494)
	at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:350)
	at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:315)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.createLevels(MinecraftServer.java:425)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:337)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.client.server.IntegratedServer.initServer(IntegratedServer.java:77)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:670)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:267)
	at java.base/java.lang.Thread.run(Thread.java:1583)
java.lang.NullPointerException: Cannot invoke "pregenerator.base.mixins.common.storage.RegionFileCacheMixin.getRegionCache()" because "mixin" is null
	at TRANSFORMER/chunkpregen@1.21-4.4.5/pregenerator.common.manager.ServerManager.onWorldLoad(ServerManager.java:494)
	at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:350)
	at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:315)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.createLevels(MinecraftServer.java:425)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:337)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.client.server.IntegratedServer.initServer(IntegratedServer.java:77)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:670)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:267)
	at java.base/java.lang.Thread.run(Thread.java:1583)
java.lang.NullPointerException: Cannot invoke "pregenerator.base.mixins.common.storage.RegionFileCacheMixin.getRegionCache()" because "mixin" is null
	at TRANSFORMER/chunkpregen@1.21-4.4.5/pregenerator.common.manager.ServerManager.onWorldLoad(ServerManager.java:494)
	at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:350)
	at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:315)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.createLevels(MinecraftServer.java:425)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:337)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.client.server.IntegratedServer.initServer(IntegratedServer.java:77)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:670)
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:267)
	at java.base/java.lang.Thread.run(Thread.java:1583)