Description
The following error is seen on the instance
Exception (org.mozilla.javascript.JavaScriptException: java.lang.NullPointerException) occured while evaluating'Condition: new UpdateSetBackOutVisible().shouldInformMissing(current)' in business rule 'Notice on hidden back out'
Above errors are found for update sets and some tables
Other issues exprienced could be
-- Unable to update personalize list columns
-- published Reports show URL as NULL.
Cause
The probable root cause of the issue was the dictionary column sys_metadata.sys_class_name is set to inactive (i.e active = false)
https://<instance>.service-now.com/sys_dictionary_list.do?sysparm_query=nameSTARTSWITHsys_metadata%5EelementSTARTSWITHsys_class_name
Resolution
This dictionary record for column sys_metadata.sys_class_name should never be set to active = false , should always be active = true.