In the carrier settings, when hitting the "Submit" button, for e.g. disabling the Itinerary:
![grafik](https://user-images.githubusercontent.com/47126902/212474912-fd11bc3a-65f3-4487-a4e9-9332ec69d4f8.png)
the state of the checkboxes does not change the outcome
You get following error:
Internal Server Error
The server encountered an unexpected internal server error
(generated by waitress)