How to fix the Oracle error ORA-29475: useLogonRoles=>TRUE not permitted with userid=>NULL?

In this post, you’ll learn more about the Oracle ErrorORA-29475: useLogonRoles=>TRUE not permitted with userid=>NULL with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-29475: useLogonRoles=>TRUE not permitted with userid=>NULL

Reason for the Error ORA-29475: useLogonRoles=>TRUE not permitted with userid=>NULL

An unsupported combination of argument values was present in a call to DBMS_SYS_SQL.PARSE_AS_USER.

How to fix the Error ORA-29475: useLogonRoles=>TRUE not permitted with userid=>NULL ?

You can fix this error in Oracle by following the below steps

Specify a valid combination of argument values.