i am getting this error when i start my server 
Couldn't load server/server1/Dragon_Valley_2.6.201.sav - file doesn't exist Missing EnvSync - creating Missing CommunityEntity - creating Missing ResourceDepositManager - creating Missing RelationshipManager - creating Missing TreeManager - creating Initializing 29953 entity links done. Initializing 298 stability supports done. Initializing 21554 entity save caches MissingFieldException: Field 'ProtoBuf.Sign.imageIds' not found.

Your using a custom map make sure you have rustedit.dll installed on your server

The last error means you either have an outdated extension or your server is using mixed Rust versions.