Http Error: 400 Bad Request
The 400 status code indicates that the request sent to the server has an invalid syntax.
Here are some things to check when encountering this error:
- Check if the HTTP headers are invliad. It is possible that this error is a result of a missing or invalid HTTP header.
- Check the logs to see if there are any application or database errors.
- Debug your application code, it is possible that there is a bug in the code which is the server error.
RFC #: 7231 section 6.5.1