[FATAL] no known snapshots

[wendaoshuangyue]

My bottledwater suddenly crashed with following error message and no longer able to restart. Can anyone help me? Thanks a lot.
Error message:
[FATAL] Replication stream was unexpectedly terminated: Error: no known snapshots
CONTEXT: slot "bottledwater_hpg_000000", output plugin "bottledwater", callback in change, related LSN address is 0/2C833598

[igouss]

I see same error in "wal2json"

org.postgresql.util.PSQLException: ERROR: no known snapshots
Where: slot "cdc", output plugin "wal2json", in the change callback, associated LSN CC/88421640
at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2477)
at org.postgresql.core.v3.QueryExecutorImpl.processCopyResults(QueryExecutorImpl.java:1107)
at org.postgresql.core.v3.QueryExecutorImpl.endCopy(QueryExecutorImpl.java:956)
at org.postgresql.core.v3.CopyDualImpl.endCopy(CopyDualImpl.java:27)
at org.postgresql.core.v3.replication.V3PGReplicationStream.close(V3PGReplicationStream.java:278)