Make the change
- Stop the whole server so both shards are offline, then back up DoNotStarveTogether/config/server.
- Check mods/dedicated_server_mods_setup.lua for the Workshop IDs that should be downloaded.
- Compare Master/modoverrides.lua and Caves/modoverrides.lua inside the cluster folder.
- Enable the same required server mods and compatible configuration in both shards, following each mod author’s instructions.
- Start, wait for both shards to load, join the surface and test one cave transition.
Check the result
If the transition still fails, keep both shard errors and identify the first missing or outdated mod. Do not delete the Caves save to repair a mod-list mismatch.
Related guides
Don't Starve Together server not showing up or unable to connect · Don't Starve Together server settings: Startup and configuration
Documentation
Server configuration reference · Project documentation 2
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