This error occurs when the correct permissions have not been granted for Sonlet to post to your Facebook group. Please visit sonlet.com/facebook_troubleshooting and go through the steps provided there to fix your permissions.


Also, this error message is sent when the Sonlet app has not been added to your group. Follow this tutorial to ensure it has been added correctly https://www.useloom.com/share/2125f39719164592bd3f66fbd48a2f17