POST https://mail.domain.com/api/v1/contacts/categories-put[HTTP/1.1 400 Bad Request 215ms] 
Request URL: https://mail.domain.com/api/v1/contacts/categories-put
Request method:POST
Remote address:REDACTED-IP:443
Status code: 400
 Version:HTTP/1.1
 
	
Response headers (215 B)	Raw headers

Cache-Control	no-cache
Content-Length	67
Content-Type	application/json; charset=utf-8
Date	Wed, 05 Jun 2019 09:51:08 GMT
Expires	-1
Pragma	no-cache
Server	Microsoft-IIS/8.5
	

Request headers (1.497 KB)	Raw headers
 
Accept	application/json, text/plain, */*
Accept-Encoding	gzip, deflate, br
Accept-Language	en-US,en;q=0.5
Authorization	Bearer Some Code - Redacted
Connection	keep-alive
Content-Length	58
Content-Type	application/json;charset=utf-8
Cookie	_ga=GA1.2.redacted…referrer%3D%26date%3D20190219
Host	mail.domain.com
Referer	https://mail.domain.com/interface/root
User-Agent	Mozilla/5.0 (Windows NT 10.0; …) Gecko/20100101 Firefox/67.0

JSON message	Object reference not set to an instance of an object.

Response payload	
{"message":"Object reference not set to an instance of an object."}