17000 error

Console Missions
1

Mission: GEO APPRENTICE
Task: Use API to delete data objects based on location criteria

This call returns an error:
https://api.backendless.com/79A5BE33-9B49-459A-FF51-A867D9C60D00/AFF3D37A-973F-4A81-BD7D-599793C9B316/data/worldcities?where=GetY(location)%20%3C%2039.341%20and%20GetX(location)%20%3E%2076.596%20and%20GetY(location)%20%3E%2026.410%20and%20GetX(location)%20%3C%20124.942

error:
{
“code”: 17000,
“message”: “JSON parse error: ‘Wrong JSON or ContentType.’.”
}

2

Could you show a complete request? (HTTP method, headers, etc)

3 
curl --request DELETE \
  --url 'https://api.backendless.com/79A5BE33-9B49-459A-FF51-A867D9C60D00/AFF3D37A-973F-4A81-BD7D-599793C9B316/data/worldcities?=&where=GetY(location)%20%3C%2039.341%20and%20GetX(location)%20%3E%2076.596%20and%20GetY(location)%20%3E%2026.410%20and%20GetX(location)%20%3C%20124.942' \
  --header 'Content-Type: application/json'
4

The request is wrong - it does not correspond to the request in the sample code which is included into the instructions. Did you see what method is being used in the sample code?