Error in Performance monitoring in RWB

Hello,

I'm getting error while opening Performance Monitoring in RWB.

Error is " 2 Message(s) : Connection to Integration Server lost - Error class com.sap.aii.proxy.framework.core.BaseProxyException: Application exception raised in the R/3 system: GET_OWN_IS_NAME_FAILED . Could not create application fault message: null - "

I'm not able to get the source for it's check, can anyone please advice me wat is the problem and wat can be the solution for the same?

Expecting on ASAP basis....plz.

Thanks

Anand.