Failed to execute collection [LOCKS_TREE_RAC], reason=Not Expected to get NULL (4290364)

When accessing the Cluster Locks Tree (Current) panel in the Locks area of the Oracle RAC dashboard, a message appears

An error occurred while trying to retrieve data to this screen. If this issue persists, contact Quest Support.

the more details link provides the following:

Error in getRacLockedElements: RemoteException occurred in server thread; nested exception is: com.quest.qsi.fason.framework.connections.common.exceptions.JDBCServerException: Failed to run LOCKS_TREE_RAC collection. Failed to execute collection [LOCKS_TREE_RAC], reason=Not Expected to get NULL value for version parameter

Customer finds the following error in the FMS

2012-04-20 12:16:39.973 VERBOSE [http-0.0.0.0-8080-12] - DBWC_ERROR: Error in getRacLockedElements: RemoteException occurred in server thread; nested exception is: com.quest.qsi.fason.framework.connections.common.exceptions.JDBCServerException: Failed to run LOCKS_TREE_RAC collection. Failed to execute collection [LOCKS_TREE_RAC], reason=Not Expected to get NULL value for version parameter

and the following message in the RAC agent

2012-04-25 08:45:58.950 ECHO <DB_Oracle/5.5.8.588/DB_Oracle_RAC/prodrac-agent> ERROR [RMI TCP Connection(2)-216.12.229.141] com.quest.qsi.fason.core.collection.RMISubmissionCollection - An exception occured during the execution of a processor from com.quest.qsi.fason.oracle.collection.processor.DBORMIFirstSuccessProcessor class. The processor belongs to LOCKS_TREE_RAC collection.
java.lang.RuntimeException: java.lang.RuntimeException: Failed to execute collection [LOCKS_TREE_RAC], reason=Not Expected to get NULL value for version parameter
at com.quest.qsi.fason.oracle.collection.processor.DBORMICallbackInstanceProcessor.handleExecutionError