In this post, you’ll learn more about the Oracle ErrorORA-31657: data filter name can not be defaulted with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-31657: data filter name can not be defaulted
Reason for the Error ORA-31657: data filter name can not be defaulted
A null data filter name was supplied.
How to fix the Error ORA-31657: data filter name can not be defaulted ?
You can fix this error in Oracle by following the below steps
Fix the call to specify a data filter name.