Error code: 40400 - Not found

If you see this error, it means that that resource you are trying to access (which could be anything i.e. the ably app, client, device or connection etc) does not exist.


Resolving this error - 


  • This is a very generic error code. However, the error text when this error is raised should be self explanatory for you to understand which is the resource you've requested that doesn't exist.
  • If you are still unable to solve it, reach out to us and we'll be happy to help you out.