graphcool reset

ERROR: Cannot query field 'resetProjectData' on type 'Mutation'. (line 2, column 11):
          resetProjectData(input: {
          ^

{
  "data": null,
  "errors": [
    {
      "message": "Cannot query field 'resetProjectData' on type 'Mutation'. (line 2, column 11):\n          resetProjectData(input: {\n          ^",
      "locations": [
        {
          "line": 2,
          "column": 11
        }
      ]
    }
  ],
  "status": 400
}