The following error is seen on the instance
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.
The probable root cause of the issue was the dictionary column sys_metadata.sys_class_name is set to inactive (i.e active = false)
This dictionary record for column sys_metadata.sys_class_name should never be set to active = false , should always be active = true.