[rules-users] javax.jcr.ReferentialIntegrityException Error while Saving the Rule in Guvnor 5.1.1

Hi , I am getting the following error while saving the Rule in Guvnor 5.1.1. Could you please provide suggestions/inputs to resolve the below issue ? I am using Oracle DB. ERROR 18-08 12:31:22,129 (VersionableItem.java:checkout:637) Error occured while checking out the asset javax.jcr.ReferentialIntegrityException: Target node 298106d4-8786-46ba-b3a3-e9f42d93ac81 of REFERENCE property does not exist at org.apache.jackrabbit.core.state.SharedItemStateManager$Update.checkReferentialIntegrity(SharedItemStateManager.java:1056) at org.apache.jackrabbit.core.state.SharedItemStateManager$Update.begin(SharedItemStateManager.java:574) at org.apache.jackrabbit.core.state.SharedItemStateManager.beginUpdate(SharedItemStateManager.java:1110) at org.apache.jackrabbit.core.state.SharedItemStateManager.update(SharedItemStateManager.java:1140) at org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:351) at org.apache.jackrabbit.core.state.XAItemStateManager.update(XAItemStateManager.java:354) at org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:326) at org.apache.jackrabbit.core.version.VersionManagerImplBase$WriteOperation.save(VersionManagerImplBase.java:463) at org.apache.jackrabbit.core.version.VersionManagerImplBase.checkoutCheckin(VersionManagerImplBase.java:209) Regards, Reddy