replication error in the interfaces file

hi, I use ids 7.3 and replication between two identical servers master and = slave. sometimes when a record insert into master, the slave's interfaces file = gives an error; 0:18:22 CDR CDRDS: transaction aborted (All rows in a transaction = defined withrow scope were rejected) =20 =20 I predict that this error shows the inserted record in the master is = existing before in the slave. table structures are identical. it is understadable but I couldn't find which record is giving this = error .If I know, I delete the old record in the slave. is there any file or table these kind of records holding in the master = or slave? thanks. msert