Schema for table not found

I am getting errors related to compactor but not able to find anything to resolve the error or to know the reason behind this error. Can someone help here?

error message-

{ "log": "level=<mark>error</mark> ts=2023-01-15T07:01:20.857526089Z caller=compactor.go:500 msg=\"skipping compaction since we can't find schema for table\" table=loki_index_19343\n", "stream": "stderr", "time": "2023-01-15T07:01:20.912292318Z" }