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+---
+title: tipi - FAQ
+---
+
+## Connection error between GitHub and tipi
+
+In some cases, tipi may not be able to retrieve your GitHub profile to authenticate you.
+To solve this problem, you need to delete the tipi authorization in GitHub. 
+Then redo all tipi authentication (authentication documentation: [here](/documentation/0600-authentication)).
+
+how to delete tipi's authorization on GitHub:
+ 1) go to: [github.com](https://github.com)
+ 2) Log into your github account
+ 3) go to your [profile settings](https://github.com/settings/profile) 
+ 4)  Now click on application: 
+ ![](./assets/click-on-app.png)
+ 5) Click on Authorized OAuth Apps:
+
+ ![](./assets/click_Authorized_OAuth_Apps.png)
+ 6) Revoke tipi.build access
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