I'm trying to make a specific process management ticket only available to one user only. However I cannot get it to work.
This is what I currently have configured in my ACL:

I've also tried it the other way around by trying to hide other process management tickets for this user with "possiblenot", but neither way works.
As you can see in the image below, I did mention the right process-ID:

As you can see in this screenshot, the user can still see the request:

Is there anyone who can explain me what I'm doing wrong or why this is not working?