vscode-restclient: Context creation failed - graphql

Hello, can you tell me

Have request: `@authToken = {eyJraWQiOiIwN1Zj}

POST http://localhost:5000/graphql Authorization: {{authToken}} X-REQUEST-TYPE: GraphQL

query listProducts{ fakturaAssist{ listProducts{ id name productNumber } } }`

Getting an error: `HTTP/1.1 500 Internal Server Error content-type: application/json; charset=utf-8 access-control-allow-credentials: true vary: origin access-control-expose-headers: WWW-Authenticate,Server-Authorization cache-control: no-cache content-length: 222 Date: Fri, 13 Mar 2020 12:20:48 GMT Connection: close

{ “errors”: [ { “message”: “Context creation failed: Cannot destructure property payload of ‘undefined’ or ‘null’… Request id: offline_awsRequestId_ck7q5gknc01d24oy29fet2gsi”, “extensions”: { “code”: “INTERNAL_SERVER_ERROR” } } ] }`

if a send request: `POST http://localhost:5000/graphql Content-Type: application/json; charset=utf-8 Authorization: {{authToken}}

query listProducts{ fakturaAssist{ listProducts{ id name productNumber } } }`

Have answer: HTTP/1.1 200 OK content-type: application/json; charset=utf-8 vary: origin access-control-allow-credentials: true access-control-expose-headers: WWW-Authenticate,Server-Authorization cache-control: no-cache content-length: 0 Date: Fri, 13 Mar 2020 12:22:09 GMT Connection: close

and warning: The content type of response is application/json, while response body is not a valid json string

how can I get a response from a request for graphql?