Bex variables not working in Webi.

Hi Guys,

I am creating a webi report based on a BEx query. We have variable on Employee from BEX side(optional prompt) when I try to use this prompt and refresh the employee dimension I get the below error. Please help me out of this.

ERROR:

com.businessobjects.sdk.core.server.CommunicationException$UnexpectedServerException: Termination message sent
ABEND BRAIN (670): An error occurred when getting data from the processor.

Thanks&Regards

Krishna.