The request could not be accepted.
| Domain | ClientError |
| Number | 406 |
| Label | HTTP/1.1 406 |
| Applicable Platform(s) | Any |
Cannot create or update an application connection setting with an empty request body; Cannot create or update an application connection setting with incorrect 'Content-type' header values.
Ensure that POST/PUT requests have request bodies and contain correct "Content-type" header values.