Cannot read property 'capture' of null

Error everytime trying to run a post, and with no check or verify yaml options, or verbose output not sure how i would tell what the issue is if its even related to the yaml file at all.

Version: 1.6.0-18

YAML

config:
    target: 'https://test.net'
    http:
        tls:
            rejectUnauthorized: false
        pool: 10
    phases:
        - duration: 10
          arrivalRate: 1
scenarios:
    - flow:
      - log: 'New virtual user authorizing'
      - post:
        url: '/api-authorizations/authorize'
        headers:
            Content-Type: application/json
            Accept: application/json
            ClientId: 123
        json:
            Audience: 'http://abc.com'
            ClaimSets: [1]
            Claims: 
              - Type: 'domain'
                Value: 'test.comt'
                ValueType: 'string'
                Issuer: 'http://postman.abc.com'
              - Type: 'extension_UserId'
                Value: '1'
                ValueType: 'string'
                Issuer: 'http://postman.abc.com'

Command Ran

 artillery run test.yaml
C:\Users\Administrator\AppData\Roaming\npm\node_modules\artillery\lib\commands\run.js:307
        (params.capture && params.capture.xpath) ||
               ^

TypeError: Cannot read property 'capture' of null
    at C:\Users\Administrator\AppData\Roaming\npm\node_modules\artillery\lib\commands\run.js:307:16
    at Array.forEach (native)
    at C:\Users\Administrator\AppData\Roaming\npm\node_modules\artillery\lib\commands\run.js:304:19
    at Array.forEach (native)
    at checkIfXPathIsUsed (C:\Users\Administrator\AppData\Roaming\npm\node_modules\artillery\lib\commands\run.js:303:20)
    at fn (C:\Users\Administrator\AppData\Roaming\npm\node_modules\artillery\node_modules\async\lib\async.js:746:34)
    at C:\Users\Administrato\AppData\Roaming\npm\node_modules\artillery\node_modules\async\lib\async.js:1213:16
    at C:\Users\Administrator\AppData\Roaming\npm\node_modules\artillery\node_modules\async\lib\async.js:166:37
    at C:\Users\Administrator\AppData\Roaming\npm\node_modules\artillery\node_modules\async\lib\async.js:706:43
    at C:\Users\Administrator\AppData\Roaming\npm\node_modules\artillery\node_modules\async\lib\async.js:167:37

[hassy]

The YAML (as posted) needs an extra level of indentation under post, ie. the url, headers and json should be under get, not on the same level.

That said, the error message is not very friendly which is something we should address!

[alanhayes]

This is why I hate YAML. 🤕