[rules-users] Error while Uploading the Model jar file in Guvrnor 5.1.1

Hi, I am getting the following error while uploading the Model jar file, I suggesting to avoid this error? UI error message : Unable to import into the file. May be you have provided the Invalid Path / Invalid File and Server log message is : %-5p 14-09 21:57:54,508 (VersionableItem.java:checkout:637) Error occured while checking out the asset javax.jcr.ReferentialIntegrityException: Target node 022eb645-b7da-4d43-8fec-7eba2c16c8c7 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) at org.apache.jackrabbit.core.VersionManagerImpl.checkout(VersionManagerImpl.java:117)