Hello , I have an issue when publishing my bot on Yammer, I have created the Yammer App and followed the steps to create the Yammer channel and associate the app in Kore. After pubishing the bot, when I open The yammer app I get this error displayed in the image bellow:
Hello @ismail.benlemsieh_ex 4,
Welcome to Kore Community 
Have you tried verifying the Client Id and secret set in the configurations page. Let us know if the issue still exists after correcting them.