In Paris, vCenter event collector stopped working. In instance error log, it shows: org.mozilla.javascript.EcmaError: "guestRel" is not defined.DescriptionIn Paris, vCenter event collector stopped working. In instance error log, it shows: org.mozilla.javascript.EcmaError: "guestRel" is not defined.Steps to Reproduce > Setup vCenter event collector following doc below: https://docs.servicenow.com/bundle/paris-servicenow-platform/page/product/mid-server/concept/c_VCenterEventProcessorExtension.html > Run vMotion for a VMware instance. Check the related cmdb_ci_vm_instance record, the relation is not updated to the new ESX hostWorkaroundIf you are able to upgrade, review the "Intended Fix Version" section below to determine the versions that have a permanent fix. If upgrade is not possible, you can use below workaround: Modify script include VCenterVmStateUpdater, change below line: if (guestRel.getRowCount() == 1) { to if (guestRelGr.getRowCount() == 1) {Related Problem: PRB1448439