Steps to reproduce the issue

Run API GET call /users/levels/ID with non-existing ID, e.g.

• Get Joomla! API Token and set as environment variable TOKEN
• curl -kH "Authorization: Bearer $TOKEN" https://host.docker.internal:7154/api/index.php/v1/users/levels/4711

Expected result

HTTP Status 404 and error message like not found

Actual result

HTTP Status 500 Internal server error

System information (as much as possible)

• JBT with Joomla 5.4-dev branch

Additional comments

Found in testing #46080