com.sap.cms.util.exception while creating Tracks

Hi,

I am getting the following error while tracks creation in NWDI system.

"

Unexpected error; inform your system administrator: com.sap.cms.util.exception.CMSUnexpectedException: SLD name-server configuration error: More than one name server configured in SLD"

Please help me step by step to trouble shoot this issue.

Thanks & Regrads

Srinivas