Unsupported content type

manuelvicz February 23, 2021, 4:29pm 1

Any help greatly appreciated!

I have included in the Header content-type application/json

Topic		Replies	Views
Cannot GET External Collections: Error Get Help	6	725	December 29, 2020
An error occurred when calling Get All Unsupported content type: application/vnd.api+json External Collections, Custom Actions & Collections	4	633	June 30, 2021
Unsupported content type: text/plain API collection issue Get Help	3	1008	August 2, 2020
"Get All" API Error for "Unsupported content type" application/vnd.api+json External Collections, Custom Actions & Collections	3	865	April 21, 2021
“Invalid character in header content [“authorization”]” External Collections, Custom Actions & Collections	3	703	December 21, 2021