error on start ./sapinst 70SWPM10SP10

dear Gurus ,

i am getting an error when try start ./sapinst 70SWPM10SP10 ,( I am trying to do system copy NW7.0 dual stack , db export done

when try to start CI export ,)

error text -

[root@xxxxxx 70swpm]# ./sapinst

[========================] \ extracting... done!

#################################################################

Unable to get handle to: iamodel11722.so

#################################################################

uname -a

Linux ENCARTA 2.6.9-42.ELsmp #1  SMP Wed Jul 12 23:32:02 EDT 2006 x86_64 x86_64 x86_64 GNU/Linux

SWPM -

70SWPM10SP10_4-20009701.sar

please help me get this sorted

thank you

charith