User Management is changed after IAM upgrade

Summary:

An error message 'User GUID cannot be null' is shown when searching a newly created user in Fusion Applications.

Content (please ensure you mask any confidential information):

When a new user is created and saved in the Security Console, it cannot be found with name search after that. The error message is 'User GUID cannot be null'. The user can be found in OCI console, but not in the Fusion application. This happened after IAM upgrade.

Version (include the version you are using, if applicable):

Fusion Applications 26A

Code Snippet (add any code snippets that support your topic, if applicable):