[Server thread/ERROR]: Creating fake world in regular way failed...
java.lang.IllegalStateException: Registry minecraft:banner_pattern not found
        at net.minecraft.class_7225$class_7874.method_46763(class_7225.java:107) ~[server-intermediary.jar:?]
        at java.base/java.util.Optional.orElseThrow(Optional.java:403) ~[?:?]
        at net.minecraft.class_7225$class_7874.method_46762(class_7225.java:107) ~[server-intermediary.jar:?]
        at net.minecraft.class_1937.handler$bdp000$lithium$initCachedOminousBanner(class_1937.java:2068) ~[server-intermediary.jar:?]
        at net.minecraft.class_1937.<init>(class_1937.java:166) ~[server-intermediary.jar:?]
        at eu.pb4.polymer.common.impl.FakeWorld.<init>(FakeWorld.java:264) ~[polymer-common-0.8.0-beta.7+1.20.5-55ffa950d8d6c9a1.jar:?]
        at eu.pb4.polymer.common.impl.FakeWorld.<clinit>(FakeWorld.java:242) ~[polymer-common-0.8.0-beta.7+1.20.5-55ffa950d8d6c9a1.jar:?]
        at eu.pb4.polymer.common.impl.entity.InternalEntityHelpers.<clinit>(InternalEntityHelpers.java:36) ~[polymer-common-0.8.0-beta.7+1.20.5-55ffa950d8d6c9a1.jar:?]
        at eu.pb4.polymer.virtualentity.api.tracker.SimpleDataTracker.<init>(SimpleDataTracker.java:20) ~[polymer-virtual-entity-0.8.0-beta.7+1.20.5-88d42fd65b7d7a63.jar:?]
        at eu.pb4.polymer.virtualentity.api.elements.GenericEntityElement.createDataTracker(GenericEntityElement.java:38) ~[polymer-virtual-entity-0.8.0-beta.7+1.20.5-88d42fd65b7d7a63.jar:?]
        at eu.pb4.polymer.virtualentity.api.elements.GenericEntityElement.<init>(GenericEntityElement.java:29) ~[polymer-virtual-entity-0.8.0-beta.7+1.20.5-88d42fd65b7d7a63.jar:?]
        at eu.pb4.polymer.virtualentity.api.elements.DisplayElement.<init>(DisplayElement.java:15) ~[polymer-virtual-entity-0.8.0-beta.7+1.20.5-88d42fd65b7d7a63.jar:?]
        at eu.pb4.polymer.virtualentity.api.elements.ItemDisplayElement.<init>(ItemDisplayElement.java:11) ~[polymer-virtual-entity-0.8.0-beta.7+1.20.5-88d42fd65b7d7a63.jar:?]
        at eu.pb4.graves.model.parts.ItemDisplayModelPart.constructBase(ItemDisplayModelPart.java:18) ~[SERVER-ONLY-graves-3.3.2+1.20.5.jar:?]
        at eu.pb4.graves.model.parts.ItemDisplayModelPart.constructBase(ItemDisplayModelPart.java:8) ~[SERVER-ONLY-graves-3.3.2+1.20.5.jar:?]
        at eu.pb4.graves.model.parts.DisplayModelPart.construct(DisplayModelPart.java:32) ~[SERVER-ONLY-graves-3.3.2+1.20.5.jar:?]
        at eu.pb4.graves.model.parts.DisplayModelPart.construct(DisplayModelPart.java:12) ~[SERVER-ONLY-graves-3.3.2+1.20.5.jar:?]
        at eu.pb4.graves.model.GraveModelHandler.addPart(GraveModelHandler.java:111) ~[SERVER-ONLY-graves-3.3.2+1.20.5.jar:?]
        at eu.pb4.graves.model.GraveModel.setup(GraveModel.java:39) ~[SERVER-ONLY-graves-3.3.2+1.20.5.jar:?]
        at eu.pb4.graves.model.GraveModel.setup(GraveModel.java:25) ~[SERVER-ONLY-graves-3.3.2+1.20.5.jar:?]
        at eu.pb4.graves.model.GraveModelHandler.updateModel(GraveModelHandler.java:101) ~[SERVER-ONLY-graves-3.3.2+1.20.5.jar:?]
        at eu.pb4.graves.model.GraveModelHandler.setGrave(GraveModelHandler.java:64) ~[SERVER-ONLY-graves-3.3.2+1.20.5.jar:?]
        at eu.pb4.graves.registry.GraveBlockEntity.tick(GraveBlockEntity.java:129) ~[SERVER-ONLY-graves-3.3.2+1.20.5.jar:?]
        at net.minecraft.class_2818$class_5563.method_31703(class_2818.java:664) ~[server-intermediary.jar:?]
        at net.minecraft.class_2818$class_5564.method_31703(class_2818.java:718) ~[server-intermediary.jar:?]
        at net.minecraft.class_1937.method_18471(class_1937.java:482) ~[server-intermediary.jar:?]
        at net.minecraft.class_3218.method_18765(class_3218.java:412) ~[server-intermediary.jar:?]
        at net.minecraft.server.MinecraftServer.method_3813(MinecraftServer.java:998) ~[server-intermediary.jar:?]
        at net.minecraft.class_3176.method_3813(class_3176.java:294) ~[server-intermediary.jar:?]
        at net.minecraft.server.MinecraftServer.method_3748(MinecraftServer.java:889) ~[server-intermediary.jar:?]
        at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:691) ~[server-intermediary.jar:?]
        at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:275) ~[server-intermediary.jar:?]
        at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]