replicator: Give a better error message with path when replicator.db is corrupted.
replicator: Give a better error message with path when replicator.db is corrupted.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot