telegram not able to send my message

 

Hi All

I have follow this instruction to create a EA that send me message. https://www.mql5.com/en/articles/2355

However i have got error of 

TelegramAlertMT4_MAsignal XNGUSD,M15: {"ok":false,"error_code":400,"description":"Bad Request: chat not found"}

I have tested the token, channel name, chat id, all are working if i am using the http link, i.e https://api.telegram.org/botTOKEN/sendMessage?chat_id=1220568658&text=my%20sample%20text

What could go wrong please?

Of Course, I have also added webrequest in here, although i do have to say that the comment print out this error, but I dont see it in the experts message in the terminal.



Many thanks