Problem with api chat-manager (api bot VK Chat Manager) can you help me solve the problem?

Question

PHP

Hello, there is a problem with the api chat-manager, my friend and I did the api of this bot according to this article https://vk.com/@chatmanage-callback-api, everything seemed to be done correctly, only at almost the last step, when we requested the string "ok" from the VK server, the following error occurred on its part: "error": "Currently, the account does not have a webhook installed.", "id": 101}. What to do ?

Answer 1

Contact the administrators of this chat manager)