diff --git a/Slack-bot-setup.md b/Slack-bot-setup.md
index bf8717e..46af0ca 100644
--- a/Slack-bot-setup.md
+++ b/Slack-bot-setup.md
@@ -3,7 +3,8 @@
 ### Contents
 
 [Bot-based Setup](#bot-based-setup)<br/>
-[Legacy Setup](#legacy-setup)
+[Legacy Setup](#legacy-setup)<br/>
+[Issues](#issues)
 
 ---
 
@@ -84,4 +85,11 @@ Steps to follow:
    ![Create token screen](https://i.snag.gy/vpsSM4.jpg)
    The token will look something like ```xoxp-123456789-LowerAndUPpercase```.
 
-3. Use the obtained token in your configuration file for the channel setup as in the example above.
\ No newline at end of file
+3. Use the obtained token in your configuration file for the channel setup as in the example above.
+
+# Issues
+
+If you get the message: `ERROR slack: Connection failed "not_allowed_token_type" &errors.errorString{s:"not_allowed_token_type"}`
+
+For more information look at https://github.com/slackapi/node-slack-sdk/issues/921#issuecomment-570662540 and https://github.com/nlopes/slack/issues/654 and our issue https://github.com/42wim/matterbridge/issues/964
+