The conditions: - replica database contains a table with Primary Key and at least one Unique Key - the record is being inserted and violates UK (not PK!) - the correct error is put into replication.log: ``` ERROR: attempt to store duplicate value (visible to active transactions) in unique index <UK name> Problematic key value is (...) ``` - after replication paused and resumed the same segment is applied again - bugcheck happens: `ERROR: internal Firebird consistency check (wrong record length (183), file: vio.cpp line: 1450)`