Unable to work coediting from onlyoffice

i trying to co-editing with two users, but not working .
one after one its working .could you please give me solution
Thank you


Please read these articles:

I am using different key but not working . Sharing option not getting

For co-editing to function correctly, you need to set the same document.key in editor configs of all users. Please read the articles thoroughly.

using same key for all users but not working co-editing

Please install one of our integration examples and connect your Document Server to it:
With this example, you can learn how to handle document keys for co-editing.