Maintenance Schedule: receiving "onChange script error: TypeError: dep.options[dep.selectedIndex] is undefined function onChange_cmn_schedule_blackout_source_0" errorIssue When creating a Blackout (cmn_schedule_blackout) or Maintenance Schedule (cmn_schedule_maintenance) and select 'CI Class' as the Source, an error messages is displayed: 'onChange script error: TypeError: dep.options[dep.selectedIndex] is undefined function onChange_cmn_schedule_blackout_source_0(control, oldValue, newValue, isLoading, isTemplate) { if (isLoading || newValue === '') return; g_form.setValue('applies_to', newValue); }' Also, 'Configuration Item' [cmdb_ci] is not listed in the drop-down list for the 'Applies to' field. CauseThe 'Collection' dictionary record for cmdb_ci is Inactive: https://<instance_name>.service-now.com/sys_dictionary_list.do?sysparm_query=name%3Dcmdb_ci%5Eelement%3DNULLResolutionSet this dictionary record to Active (it's probably easier to do it from a list view, since the 'Active' field is not on the dictionary form) https://<instance_name>.service-now.com/sys_dictionary_list.do?sysparm_query=name%3Dcmdb_ci%5Eelement%3DNULL