About BigPicture

BigPicture installation and updates

Quick start with BigPicture

BigPicture Sizing Guide

Cloud vs. Server - Key Differences in BigPicture on These Platforms

BigPicture Export

Progress Tracking

Tutorials and tips


 BigPicture 7.10 and earlier

Concept of a Program

Setting up BigGantt and BigPicture to support next-gen projects

 BigPicture release notes

BigPicture Cloud Backlog


About BigGantt

BigGantt installation and updates

Cloud vs. Server - Key Differences in BigPicture on These Platforms

 BigGantt release notes

 Release notes
 Jira Cloud

 Jira Server


 BigPicture Enterprise
 Jira Cloud

 Jira Server

 Jira Cloud

 Jira Server

 Jira Cloud

 Jira Server

Knowledge Base

Tutorials and tips

Trust Center

BigPicture 8 is here!

Discover the landmark edition of the Atlassian Marketplace top-selling app! The new version is available to all Cloud, Server and Data Center users. Visit BigPicture 8 Documentation to learn more about it.

Unauthorized screen:

is displayed every time there is an authorization problem.

Such situation may happen when:

  1. Session expires.
  2. BigGantt JIRA Cloud Add-on server was restarted.
  3. Your browser 3rd party cookie configuration prevent BigGantt from proper authorization.
  4. You were performing BigGantt Add-on update or reinstall while Add-on server was restarted.

Session expired

For situations 1 and 2 you should simply enter Manage Gantts page again:

Third-party cookie browser policy

A:  If after opening BigGantt pages you experience following pictures:



this most likely means that your browser blocks third-party cookies.

Please follow one of instructions below on how to allow third-party cookies for BigGantt on your browser.

If you are using Google Chrome:

  1. Open Chrome.
  2. At the top-right, click  and choose Settings.
  3. In the 'Privacy and security' section, click Site settings.
  4. Under 'Cookies and site data' section, set either Allow local data to be set (recommended) or Keep local data only until you quit your browser option.
  5. Under 'Cookies and site data' section, check Block third-party cookies and site data option.
  6. Add [*.] hostname pattern with Allow behaviour.
  7. Reload BigGantt page.

After successful completion your 'Cookies' section should look like this:

For more information, see:

If you are using Mozilla Firefox:

  1. Open Firefox.
  2. At the top-right, click  and choose Preferences.
  3. In 'Preferences' tab that opens, go to Privacy tab.
  4. Under 'History' section, find drop-down 'Firefox will' and choose Use custom settings for history.
  5. Check Accept cookies from sites.
  6. For drop-down 'Accept third-party cookies' choose Always.
  7. For drop-down 'Keep until' choose either they expire or I close Firefox.
  8. Reload BigGantt page.

After successful completion your 'History' section should look like this:

For more information, see:

If you are using Safari:

  1. Go to Safari >> Preferences and select 'Privacy'.
    1. Disable Cookies and website data, to do that select 'Block all cookies'.
    2. Go to 'Manage Website Data' and click 'Remove All'.
  1. On the same menu (Preferences) select 'Extensions'.
    1. Make sure that all extensions are disabled.
  2. Go to Safari >> Clear History. Select 'All History' and confirm by clicking 'Clear History'.
  3. Restart Safari (CMD + Q)

After successful completion your 'Cookies and website data' section should look like this:

For more information, see:

Add-on reinstall problem

The last and worst situation is token loss while Add-on update. This is very rare but not impossible.

If while Add-on update BigGantt server is restarted, then for the security reasons we prevent access to add-on until contact with our

Add-on availability is restored manually.