In addition to a wide range of issues that can occur when parsing and validating the request, this could indicate that invalid stream authentication settings were passed. See Rotate HTTP digest authentication settings.

This sample response shows an issue with the request:

{
   "type":"bad-request",
   "title":"Erroneous data input",
   "instance":"8ed959ae-bc22-43f4-893c-2f293518f258",
   "status":400,
   "errors":[
      {
         "type":"bad-request",
         "title":"Bad Request",
         "instance":"1664e1a7-d916-4cf9-944f-2d9f6d176f8f",
         "detail":"Expiry Date of Previous Key is required"
      }
   ]
}