NBU client installation is getting failed on Linux machine.

While installing the NBU  client binaries on Redhat Linux  machine getting library file issue.

Error :- 

error while loading shared libraries: libacl.so.1: cannot open shared object file: No such file or directory
tar failed unpacking /tmp/bp.27062/bin_net.tar on .
Cannot complete the client install.
client_config_failed

# uname -a
Linux  XXXXXX  2.6.32-279.el6.x86_64 #1 SMP Wed Jun 13 18:24:36 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux

I need experts  suggestion here what can be done to get this resolved.