Users cannot attend when they didn't register #64
Description
The UI just flips back because the API call does not pass through, there is no UI feedback.
The server behaviour should perhaps change as well: Zomtir/cptserver#26
{{ message }}
The UI just flips back because the API call does not pass through, there is no UI feedback.
The server behaviour should perhaps change as well: Zomtir/cptserver#26