[HELP] 6.8.3.3. Modify a user via a PUT request

Hi,
i am trying to use API to edit a user via PUT request (ref documentation Univention Developer Reference)

but i receive error 405 method not allowed.

6.8.3.2. Search for users via a GET request and 6.8.3.1. Create a user via a POST requests
both work well in my test environment. I am using curl and postman.

Any suggestion?

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