starting instance error

Dear all,

I am facing problem in while starting instance.the error give below.

Starting SAP Instance DVEBMGS01

-

/usr/sap/BIP/DVEBMGS01/exe/sapstartsrv: error while loading shared libraries: librfcum.so: cannot open shared object file: No such file or directory

Startup of Instance Service failed

kindly guide me .

Regards,

kiruba.