Backup Crash

Hello, I have this error when I try to make a full backup on my system (Informix Online Workgroup Server 7.22, NT 4.0 SP3) 1999-05-14 12:48:19 296 0 D:\\Informix\\BIN\\onbar -b -w -L 0 1999-05-14 12:48:22 296 0 Begin level 0 backup rootdbs. 1999-05-14 12:48:23 296 0 Successfully connected to Storage Manager. 1999-05-14 12:48:29 296 0 Completed level 0 backup rootdbs. 1999-05-14 12:48:45 296 0 A system error occurred. Aborting XBSA session. 1999-05-14 12:48:45 296 0 A system error occurred. Aborting XBSA session. 1999-05-14 12:52:58 251 0 D:\\Informix\\BIN\\onbar -b -w -L 0 1999-05-14 12:52:59 251 0 Begin level 0 backup rootdbs. 1999-05-14 12:52:59 251 0 Successfully connected to Storage Manager. 1999-05-14 12:53:05 251 0 Completed level 0 backup rootdbs. 1999-05-14 12:53:29 251 0 Begin level 0 backup ol_summittech. 1999-05-14 12:54:40 251 0 Completed level 0 backup ol_summittech. 1999-05-14 12:58:03 251 0 SQL -239 Could not insert new row - duplicate value in a UNIQUE INDEX column. 1999-05-14 12:58:03 251 0 ISAM -100 ISAM error: duplicate value for a record with unique key. Any idea to help me to fix this problem. Thank you. Philippe Fornaciari Summit Technologies International p.fornaciari@summittechnologies.com