[ADSM-L] DB error in TSM6.2.3

Dear ,

when i am firing db i got error  can help me

09/23/2011 22:15:11      ANR2017I Administrator TSMADMIN issued command: BACKUP 
DB
                          dev=dlfclass t=f vol=DQ1093L5  (SESSION: 1)
09/23/2011 22:15:11      ANR4559I Backup DB is in progress. (SESSION: 1)
09/23/2011 22:15:11      ANR0984I Process 2 for Database Backup started in the
                          BACKGROUND at 10:15:11 PM. (SESSION: 1, PROCESS: 2)
09/23/2011 22:15:11      ANR2280I Full database backup started as process 2.
                          (SESSION: 1, PROCESS: 2)
09/23/2011 22:15:13      ANR0406I Session 2 started for node $$_TSMDBMGR_$$
                          (DB2/LINUXX8664) (Tcp/Ip 127.0.0.1(41087)). (SESSION: 
2)
09/23/2011 22:15:13      ANR0403I Session 2 ended for node $$_TSMDBMGR_$$
                          (DB2/LINUXX8664). (SESSION: 2)
09/23/2011 22:15:13      ANR0406I Session 3 started for node $$_TSMDBMGR_$$
                          (DB2/LINUXX8664) (Tcp/Ip 127.0.0.1(41088)). (SESSION: 
3)
09/23/2011 22:15:13      ANR0403I Session 3 ended for node $$_TSMDBMGR_$$
                          (DB2/LINUXX8664). (SESSION: 3)
09/23/2011 22:15:13      ANR4588E A database backup configuration might be
                          incorrect.(SESSION: 1, PROCESS: 2)
09/23/2011 22:15:13      ANR0985I Process 2 for Database Backup running in the
                          BACKGROUND completed with completion state FAILURE at
                          10:15:13 PM. (SESSION: 1, PROCESS: 2)
09/23/2011 22:15:13      ANR1893E Process 2 for Database Backup  completed with 
a
                          completion state of FAILURE. (SESSION: 1, PROCESS: 2)
                          ACTLOG  (SESSION: 1)
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