RHV : GUI gives "Uncaught exception occurred" when clicking against a VM .

Issue

• GUI throws below error when clicking against the VM.
  

• Error showing up after restoring engine database from backup.

• UI error in logs
  ui.log

2017-06-19 15:10:26,746+02 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-61) [] Permutation name: 596C8575FE23654C3CFB8B5741B36A36
2017-06-19 15:10:26,746+02 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-61) [] Uncaught exception: com.google.gwt.core.client.JavaScriptException: (TypeError)
 __gwt$exception: <skipped>: iib(...) is null
        at Unknown.byq(Unknown Source)
        at Unknown.fVt(Unknown Source)
        at Unknown.OOq(Unknown Source)
        at Unknown.XVq(Unknown Source)
        at Unknown.QOq(Unknown Source)
        at Unknown.tar(Unknown Source)
        at Unknown.wbr(Unknown Source)
        at Unknown.Pbr(Unknown Source)
        at Unknown.JLq(Unknown Source)
        at Unknown.xMq(Unknown Source)
        at Unknown.nSq(Unknown Source)
        at Unknown.pSq(Unknown Source)
        at Unknown.Ndq(Unknown Source)
        at Unknown.Qdq(Unknown Source)
        at Unknown.Kgq(Unknown Source)
        at Unknown.Ngq(Unknown Source)
        at Unknown.Ufq(Unknown Source)
        at Unknown.Xfq(Unknown Source)
        at Unknown.ddf(Unknown Source)
        at Unknown._8(Unknown Source)
        at Unknown.q9(Unknown Source)
        at Unknown.XHf/c.onreadystatechange<(Unknown Source)
        at Unknown.Fx(Unknown Source)
        at Unknown.Jx(Unknown Source)
        at Unknown.Ix/<(Unknown Source)
        at Unknown.anonymous(Unknown Source)