2533170 - DB6: Incremental online backup fails with SQL2048N

• When attempting to perform an incremental online backup, the backup fails with the following error:
  

  2017-01-01-00.00.00.000000-360 E84060782A979        LEVEL: Severe
  PID     : 1234             TID : 56789          PROC : db2sysc 0
  INSTANCE: db2sid               NODE : 000           DB   : SID
  APPHDL  :000000          APPID: *LOCAL.db2sid.000000000000
  AUTHID  : DB2SID               HOSTNAME: saphost
  EDUID   : 00000              EDUNAME: db2bm (SID) 0
  FUNCTION: DB2 UDB, database utilities, sqlubGetBufSpace, probe:495
  MESSAGE : SQL2048N  An error occurred while accessing object "".  Reason code:
            "".
  DATA #1 : SQLCA, PD_DB2_TYPE_SQLCA, 136 bytes
   sqlcaid : SQLCA     sqlcabc: 136   sqlcode: -2048   sqlerrml: 21
   sqlerrmc: DMS.TABLESPACE.DATA 5
   sqlerrp : sqlubGet
   sqlerrd : (1) 0x00000000      (2) 0x00000000      (3) 0x00000000
             (4) 0x00000000      (5) 0x00000000      (6) 0x00000000
   sqlwarn : (1)      (2)      (3)      (4)        (5)       (6)   
             (7)      (8)      (9)      (10)        (11)    
   sqlstate:

   

• Offline backup and full online backup both complete successfully
• Incremental backup can fail with
  Backup_Dev: SQL Message: SQL2048N An error occurred while accessing object "DMS.TABLESPACE.DATA". Reason code: "5

Db2 Luw 9.7FP11
Db2 Luw 10.1FP4
Db2 Luw 10.5FP5

SQL2048N, -2048, incremental online backup, DMS.TABLESPACE.DATA , KBA , BC-DB-DB6 , DB2 Universal Database for Unix / NT , Problem