---
title: "Connected Trello instance is unavailable due to authentication failure"
canonical: "https://support.appfire.com/space/BGc/3539829922/Connected%20Trello%20instance%20is%20unavailable%20due%20to%20authentication%20failure"
format: markdown
---
> Macro (aura-html)

![image](media://5fdb5c5a-1296-4c98-b744-713475687b52)

![image2021-5-17_8-25-11.png](media://a696ae44-ad3e-4f55-98e0-0aabbe3f9f58)

Tool connections can be viewed and managed in **BigGantt configuration** > **Tools:**

![image](media://48d05239-85b4-4da5-954b-1eefb0d135eb)

Click the "**Edit**" button to see connection details:

![image2021-5-17_8-36-21.png](media://04d32eae-64df-40c6-b72c-703b8effc21c)

> ℹ️ Addressing this problem requires Jira Admin permissions.
> ℹ️ 
> ℹ️ Remember, after the issue has been fixed, clear the Box Warnings log - otherwise, the message box will keep appearing even after the issue has been addressed.

![image2021-1-5_9-46-48.png](media://85e56780-c5b7-4a3a-8bf5-b4b1452f6e2a)

## Step by Step

When authentication fails, you may get multiple errors, and a Box Warnings will appear. 

![image](media://bd464c9c-17a8-40a6-944b-ef60919a38c0)

This indicates a problem with one of your connected tools (the tool's name is in the warning).

![image2021-1-5_9-32-40.png](media://5273bbbd-888e-48df-a5d6-be704d24c41e)

To address the issue, go to [App configuration](https://appfire.atlassian.net/wiki/spaces/BGdcDRAFT/pages/2613545889) (wrench icon at top right) > App configuration > BigGantt configuration. 

![image](media://e6ecf0c3-7dea-42a2-b4d7-f3a8438e7308)

Close all the warnings.

![image](media://ae7093f1-2cc8-445d-a4a6-27767996807a)

Close the warning log.

![image](media://7ebc6de8-3ab7-4b66-8cfb-31c1cee9ec65)

Go to the "Tools" tab. The status of the connected Tools can be found in the "Status" column. 

![image](media://de44ef6d-e521-484c-9966-9659f4c58173)

You can remove the tool or fix the connection. To re-authorize the connection, click the "Edit" button. 

![image2021-5-17_8-53-39.png](media://b5c2d09a-7d2a-4d78-a971-ea49f6988953)

Then:

![image2021-5-17_8-37-41.png](media://ab2f5ae7-ba80-4933-a954-e4aa1a1f984e)

Remember that pop-ups must be enabled in your browser (at least for this one). 

> ℹ️ Remember, after the issue has been addressed, you **must **clear the Warnings Log. Until you do that, the pop-up box will keep on appearing.

![image2021-1-5_9-46-48.png](media://85e56780-c5b7-4a3a-8bf5-b4b1452f6e2a)

## This user does not belong to any team. Create the first one or log in to another account

You can encounter the following error when you're trying to re-authorize a connection:

![image2021-5-17_8-38-54.png](media://67e6d148-a67e-476e-97d2-2ca18901a782)

This means the user you've tried to use as the "default user" is not a part of this Trello workspace. Select a different user or add a user to a Trello workspace. 

To add a user to the Trello workspace, go to that workspace. Next, click on:

![image2021-5-17_8-47-32.png](media://03a6125f-2b11-4329-b24b-d928cbf2d4e3)

Go to "View Workspace page."

![image2021-5-17_8-50-8.png](media://2b94f2f3-ed39-43ac-a46e-b823259a556a)

Go to the "Members" section:

![image2021-5-17_8-51-31.png](media://5c60d708-7f6f-4896-918f-45790cf2fe01)