I’m trying to validate a zap I’ve been converting from legacy.

```

~/git/zapier2$ zapier --version
* CLI version: 10.2.0
* Node.js version: v12.21.0
* OS info: linux-x64
* `zapier-platform-core` dependency: 11.0.1

```

When I run ‘zapier validate’ I get the following error:

```

 zapier validate
Validating project locally
 ›   Error: Cannot read property 'children' of undefined
 ›   What happened:
 ›     Executing undefined with bundle
 ›     Cannot read property 'children' of undefined
 ›
 ›   Console logs:
 ›
 ›
 ›   re-run this command with `--debug` for more info
bsutton@slayer4:~/git/zapier2$ zapier validate --debug
  zapier:validate argv is a '--debug' ] +0ms
  zapier:validate args are {} +3ms
  zapier:validate flags are { debug: true, format: 'table' } +0ms
  zapier:validate ------------ +0ms
Validating project locally
  zapier:validate TypeError: Cannot read property 'children' of undefined
  zapier:validate     at /home/bsutton/git/zapier2/node_modules/zapier-platform-schema/lib/functional-constraints/deepNestedFields.js:10:20
  zapier:validate     at arrayEach (/home/bsutton/git/zapier2/node_modules/lodash/lodash.js:530:11)
  zapier:validate     at Function.forEach (/home/bsutton/git/zapier2/node_modules/lodash/lodash.js:9410:14)
  zapier:validate     at collectErrors (/home/bsutton/git/zapier2/node_modules/zapier-platform-schema/lib/functional-constraints/deepNestedFields.js:9:5)
  zapier:validate     at /home/bsutton/git/zapier2/node_modules/zapier-platform-schema/lib/functional-constraints/deepNestedFields.js:55:13
  zapier:validate     at /home/bsutton/git/zapier2/node_modules/lodash/lodash.js:4967:15
  zapier:validate     at baseForOwn (/home/bsutton/git/zapier2/node_modules/lodash/lodash.js:3032:24)
  zapier:validate     at /home/bsutton/git/zapier2/node_modules/lodash/lodash.js:4936:18
  zapier:validate     at Function.forEach (/home/bsutton/git/zapier2/node_modules/lodash/lodash.js:9410:14)
  zapier:validate     at /home/bsutton/git/zapier2/node_modules/zapier-platform-schema/lib/functional-constraints/deepNestedFields.js:52:9
  zapier:validate     at arrayEach (/home/bsutton/git/zapier2/node_modules/lodash/lodash.js:530:11)
  zapier:validate     at Function.forEach (/home/bsutton/git/zapier2/node_modules/lodash/lodash.js:9410:14)
  zapier:validate     at validateFieldNesting (/home/bsutton/git/zapier2/node_modules/zapier-platform-schema/lib/functional-constraints/deepNestedFields.js:50:5)
  zapier:validate     at /home/bsutton/git/zapier2/node_modules/zapier-platform-schema/lib/functional-constraints/index.js:25:28
  zapier:validate     at Array.reduce (<anonymous>)
  zapier:validate     at Object.runFunctionalConstraints tas run] (/home/bsutton/git/zapier2/node_modules/zapier-platform-schema/lib/functional-constraints/index.js:24:17)
  zapier:validate     at Object.validate oas validateAppDefinition] (/home/bsutton/git/zapier2/node_modules/zapier-platform-schema/lib/utils/makeValidator.js:134:31)
  zapier:validate     at validateApp (/home/bsutton/git/zapier2/node_modules/zapier-platform-core/src/tools/schema.js:175:32)
  zapier:validate     at /home/bsutton/git/zapier2/node_modules/zapier-platform-core/src/create-command-handler.js:29:14
  zapier:validate     at Object.<anonymous> (/home/bsutton/git/zapier2/node_modules/zapier-platform-core/src/middleware.js:90:22)
  zapier:validate     at bound (domain.js:427:14)
  zapier:validate     at Object.runBound (domain.js:440:12) +220ms
 ›   Error: Cannot read property 'children' of undefined
 ›   What happened:
 ›     Executing undefined with bundle
 ›     Cannot read property 'children' of undefined
 ›
 ›   Console logs:
 ›
  zapier:analytics sending {
  command: 'validate',
  isValidCommand: true,
  numArgs: 0,
  flags: { debug: true, format: 'table' },
  cliVersion: '10.2.0',
  os: 'linux',
  sendUserId: true
} +0ms

```