SAP ITS installation error

Hello,

i got an error while installing ITS 6.20 on LINUX 2.4:

here are the error logs:

ERROR 2008-09-17 09:08:21

MUT-03011 Execution of the command "/tmp/sapinst_exe.26248.1221612478/SAPCAR -x -v -g -i -n -flat -R ./config -f /tmp/NW_7.0

Presentation/SERV1/ITS/ITSSOFT/UNIX/LINUX_32/CONFIG.SAR," finished with return code 29. Output:

SAPCAR: no archives specified for extracting (error 29).

ERROR 2008-09-17 09:08:21

MUT-03011 Execution of the command "/tmp/sapinst_exe.26248.1221612478/SAPCAR -x -v -g -i -n -flat -R ./config -f /tmp/NW_7.0

Presentation/SERV1/ITS/ITSSOFT/UNIX/LINUX_32/CONFIG.SAR," finished with return code 29. Output:

SAPCAR: no archives specified for extracting (error 29).

ERROR 2008-09-17 09:08:21

FCO-00011 The step INSTANCE_NAME with step key |ITS_CORE_UNIX|ind|ind|ITS|630|0|0|ITS_INSTANCE_UNIX|ind|ind|ind|ind|1|0|INST

ANCE_NAME was executed with status ERROR .

please help finding solution.

Thanks

PAUL