In this post, you’ll learn more about the Oracle ErrorORA-28156: Proxy user ‘string’ not authorized to set role ‘string’ for client ‘string’ with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-28156: Proxy user ‘string’ not authorized to set role ‘string’ for client ‘string’
Reason for the Error ORA-28156: Proxy user ‘string’ not authorized to set role ‘string’ for client ‘string’
A proxy user has not been granted the right to use a role on behalf of a client.
How to fix the Error ORA-28156: Proxy user ‘string’ not authorized to set role ‘string’ for client ‘string’ ?
You can fix this error in Oracle by following the below steps
Execute the command ALTER USER