Oracle Error Message
ORA-31495: error in synchronous change table on “string”.”string”
Reason for the Error
There was an error originating from this synchronous change table. One possible cause is that schema redefinition has occurred on the source table and one or more columns in the change table are now a different type than corresponding source columns. Another possible cause is that there is a problem accessing the synchronous change table.
Solution
Check further error messages in stack for more detail about the cause. If there has been schema redefinition, drop and recreate the synchronous change table.