2894946 - DB6: db2level failed with Returncode <100> during the export

The following errors can be found in the sapinst.log:

WARNING 2020-01-02 16:20:46.621 (xxxadm/sapsys) id=modlib.jslib.getEnvFailedNotRoot

Cannot read environment of user db2xxx: permission denied.

INFO 2020-01-02 16:20:46.708 (xxxadm/sapsys)

Creating file /tmp/sapinst_instdir/BS2010/ERP605/LM/COPY/DB6/EXP/CENTRAL/AS-ABAP/PREEXP/db2level.log.

INFO 2020-01-02 16:20:46.837 (xxxadm/sapsys)

Output of /db2/db2xxx/sqllib/bin/db2level is written to the logfile db2level.log.

WARNING 2020-01-02 16:20:47.025 (xxxadm/sapsys) id=modlib.jslib.childAppReturn

Execution of the command "/db2/db2xxx/sqllib/bin/db2level" finished with return code 100. Output:

ERROR 2020-01-02 16:20:47.026 (xxxadm/sapsys) id=dbmoddb6.generic errno=MDB-01999

Executable </db2/db2xxx/sqllib/bin/db2level> has Returncode <100>.

ERROR 2020-01-02 16:20:47.027 (xxxadm/sapsys) id=modlib.jslib.caughtException errno=MUT-03025

Caught ESAPinstException in module call: Executable </db2/db2xxx/sqllib/bin/db2level> has Returncode <100>..

ERROR 2020-01-02 16:20:47.706 (fedadm/sapsys) id=controller.stepExecuted errno=FCO-00011

The step CheckDB2Software with step key |NW_Prepare_Export|ind|ind|ind|ind|0|0|NW_GetSidFromProfiles|ind|ind|ind|ind|getSid|0|NW_getDBInfo|ind|ind|ind|ind|dbinfo|0|NW_DB6_Initialize_Db_Software_Info|ind|ind|ind|ind|db6initializeparameters|0|CheckDB2Software was executed with status ERROR (Last error reported by the step: Executable </db2/db2xxx/sqllib/bin/db2level> has Returncode <100>).

SAP on IBM Db2 for Linux, UNIX, and Windows

getEnvFailedNotRoot, permission denied, return code 100, MDB-01999, MUT-03025 , KBA , BC-DB-DB6 , DB2 Universal Database for Unix / NT , Problem