Portal Runtime Error in Dynamic Navigation Area

Hello gurus,

In our production portal all of sudden we are getting a portal runtime error in Dynamic Navigation Area. Earlier there was a problem with one of the clustered nodes and it was resolved. I was wondering if this error is in connection with that. Has anybody faced such problem? Following is the error we are facing in the dynamic navigation area.

<b>Portal Runtime Error

An exception occurred while processing a request for :

iView : pcd:portal_content/fenderfolder/defaultDesktop/frameworkPages/frameworkpage/com.sap.portal.innerpage/com.sap.portal.dynamicNavigationArea

Component Name : com.sap.portal.navigation.dynnavarea.DynamicNavigationArea</b>

Please advice on how to resolve the issue.

Thanks in advance.

VR.