it saying there is a mod in the server still

Hey, I'm getting a ton of chunk error spam in the console about missing Ars Nouveau biomes (ars_nouveau:archwood_forest): Plaintext [Server thread/ERROR] [minecraft/ChunkSerializer]: Recoverable errors when loading section [...]: (Unknown registry key in ResourceKey[minecraft:root / minecraft:worldgen/biome]: ars_nouveau:archwood_forest -> using default) It looks like chunks saved with Ars Nouveau are failing to recognize the mod's biome registry keys. Could either the Ars Nouveau mod be missing, outdated, or did something change with the worldgen/registry data on this build? Let me know how you want to troubleshoot it!