diff --git a/patches/server/Fix-generator-settings-string-for-flat-type-worlds.patch b/patches/server/Fix-generator-settings-string-for-flat-type-worlds.patch
new file mode 100644
index 0000000000..02e3e7e46f
--- /dev/null
+++ b/patches/server/Fix-generator-settings-string-for-flat-type-worlds.patch
@@ -0,0 +1,20 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Wed, 9 Mar 2022 12:51:29 -0800
+Subject: [PATCH] Fix generator settings string for flat-type worlds
+
+Fixes MC-195468
+
+diff --git a/src/main/java/net/minecraft/world/level/levelgen/WorldGenSettings.java b/src/main/java/net/minecraft/world/level/levelgen/WorldGenSettings.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/world/level/levelgen/WorldGenSettings.java
++++ b/src/main/java/net/minecraft/world/level/levelgen/WorldGenSettings.java
+@@ -0,0 +0,0 @@ public class WorldGenSettings {
+         String var8 = worldGenProperties.levelType();
+         switch(var8) {
+         case "flat":
+-            Dynamic<JsonElement> dynamic = new Dynamic<>(JsonOps.INSTANCE, worldGenProperties.generatorSettings());
++            Dynamic<JsonElement> dynamic = new Dynamic<>(net.minecraft.resources.RegistryOps.create(JsonOps.INSTANCE, registryManager), worldGenProperties.generatorSettings()); // Paper - needs RegistryOps to access biome registry inside FlatLevelGeneratorSettings's Codec, Fixes MC-195468
+             return new WorldGenSettings(l, worldGenProperties.generateStructures(), false, withOverworld(registry, registry4, new FlatLevelSource(registry3, FlatLevelGeneratorSettings.CODEC.parse(dynamic).resultOrPartial(LOGGER::error).orElseGet(() -> {
+                 return FlatLevelGeneratorSettings.getDefault(registry2, registry3);
+             }))));
diff --git a/patches/server/MC-Dev-fixes.patch b/patches/server/MC-Dev-fixes.patch
index e91450d1d5..259786a76d 100644
--- a/patches/server/MC-Dev-fixes.patch
+++ b/patches/server/MC-Dev-fixes.patch
@@ -345,3 +345,16 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
                  }
              }
  
+diff --git a/src/main/java/net/minecraft/world/level/levelgen/WorldGenSettings.java b/src/main/java/net/minecraft/world/level/levelgen/WorldGenSettings.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/world/level/levelgen/WorldGenSettings.java
++++ b/src/main/java/net/minecraft/world/level/levelgen/WorldGenSettings.java
+@@ -0,0 +0,0 @@ import org.apache.commons.lang3.StringUtils;
+ import org.slf4j.Logger;
+ 
+ public class WorldGenSettings {
+-    public static final Codec<WorldGenSettings> CODEC = RecordCodecBuilder.create((instance) -> {
++    public static final Codec<WorldGenSettings> CODEC = RecordCodecBuilder.<WorldGenSettings>create((instance) -> { // Paper - decompile fix
+         return instance.group(Codec.LONG.fieldOf("seed").stable().forGetter(WorldGenSettings::seed), Codec.BOOL.fieldOf("generate_features").orElse(true).stable().forGetter(WorldGenSettings::generateFeatures), Codec.BOOL.fieldOf("bonus_chest").orElse(false).stable().forGetter(WorldGenSettings::generateBonusChest), RegistryCodecs.dataPackAwareCodec(Registry.LEVEL_STEM_REGISTRY, Lifecycle.stable(), LevelStem.CODEC).xmap(LevelStem::sortMap, Function.identity()).fieldOf("dimensions").forGetter(WorldGenSettings::dimensions), Codec.STRING.optionalFieldOf("legacy_custom_options").stable().forGetter((worldGenSettings) -> {
+             return worldGenSettings.legacyCustomOptions;
+         })).apply(instance, instance.stable(WorldGenSettings::new));