diff --git a/src/main/java/org/betterx/bclib/api/v2/generator/BCLBiomeSource.java b/src/main/java/org/betterx/bclib/api/v2/generator/BCLBiomeSource.java
index 291abdd9..862f03c1 100644
--- a/src/main/java/org/betterx/bclib/api/v2/generator/BCLBiomeSource.java
+++ b/src/main/java/org/betterx/bclib/api/v2/generator/BCLBiomeSource.java
@@ -238,24 +238,30 @@ public abstract class BCLBiomeSource extends BiomeSource implements BiomeSourceW
         final List<String> excludeList = Configs.BIOMES_CONFIG.getExcludeMatching(defaultBiomeType());
         final Registry<BCLBiome> bclBiomes = access.registryOrThrow(BCLBiomeRegistry.BCL_BIOMES_REGISTRY);
 
-        for (Holder<Biome> possibleBiome : inputBiomeSource.possibleBiomes()) {
-            ResourceKey<Biome> key = possibleBiome.unwrapKey().orElse(null);
-            if (key != null) {
-                //skip over all biomes that were excluded in the config
-                if (excludeList.contains(key.location())) continue;
+        try {
+            for (Holder<Biome> possibleBiome : inputBiomeSource.possibleBiomes()) {
+                ResourceKey<Biome> key = possibleBiome.unwrapKey().orElse(null);
+                if (key != null) {
+                    //skip over all biomes that were excluded in the config
+                    if (excludeList.contains(key.location())) continue;
 
-                //this is a biome that has no type entry => create a new one for the default type of this registry
-                if (!BCLBiomeRegistry.hasBiome(key, bclBiomes)) {
-                    BiomeAPI.BiomeType type = typeForUnknownBiome(key, defaultBiomeType());
+                    //this is a biome that has no type entry => create a new one for the default type of this registry
+                    if (!BCLBiomeRegistry.hasBiome(key, bclBiomes)) {
+                        BiomeAPI.BiomeType type = typeForUnknownBiome(key, defaultBiomeType());
 
-                    //check if there was an override defined in the configs
-                    type = getBiomeType(includeMap, key, type);
+                        //check if there was an override defined in the configs
+                        type = getBiomeType(includeMap, key, type);
 
-                    //create and register a biome wrapper
-                    BCLBiome bclBiome = new BCLBiome(key.location(), type);
-                    BCLBiomeRegistry.register(bclBiome);
+                        //create and register a biome wrapper
+                        BCLBiome bclBiome = new BCLBiome(key.location(), type);
+                        BCLBiomeRegistry.register(bclBiome);
+                    }
                 }
             }
+        } catch (RuntimeException e) {
+            BCLib.LOGGER.error("Error while rebuilding Biomesources!", e);
+        } catch (Exception e) {
+            BCLib.LOGGER.error("Error while rebuilding Biomesources!", e);
         }
 
         this.reloadBiomes();
diff --git a/src/main/java/org/betterx/worlds/together/biomesource/MergeableBiomeSource.java b/src/main/java/org/betterx/worlds/together/biomesource/MergeableBiomeSource.java
index d742fb47..15cfe6d7 100644
--- a/src/main/java/org/betterx/worlds/together/biomesource/MergeableBiomeSource.java
+++ b/src/main/java/org/betterx/worlds/together/biomesource/MergeableBiomeSource.java
@@ -1,5 +1,7 @@
 package org.betterx.worlds.together.biomesource;
 
+import org.betterx.bclib.BCLib;
+
 import net.minecraft.core.Holder;
 import net.minecraft.world.level.biome.Biome;
 import net.minecraft.world.level.biome.BiomeSource;
@@ -9,12 +11,19 @@ import java.util.Set;
 public interface MergeableBiomeSource<B extends BiomeSource> {
     default boolean togetherShouldMerge(BiomeSource inputBiomeSource) {
         Set<Holder<Biome>> mySet = ((B) this).possibleBiomes();
-        Set<Holder<Biome>> otherSet = inputBiomeSource.possibleBiomes();
-        if (otherSet.size() != mySet.size()) return true;
+        try {
+            Set<Holder<Biome>> otherSet = inputBiomeSource.possibleBiomes();
 
-        for (Holder<Biome> b : mySet) {
-            if (!otherSet.contains(b))
-                return true;
+            if (otherSet.size() != mySet.size()) return true;
+
+            for (Holder<Biome> b : mySet) {
+                if (!otherSet.contains(b))
+                    return true;
+            }
+        } catch (RuntimeException e) {
+            BCLib.LOGGER.error("Failed to merge BiomeSource", e);
+        } catch (Exception e) {
+            BCLib.LOGGER.error("Failed to merge BiomeSource", e);
         }
 
         return false;