Unable to connect to BitBucket via Source Tree

[Vishwanatha Nayak]

Hi,
Suddenly my source tree unable to connect to BitBucket. I have tried uninstalling and installing different version, tried login with HTTPS/SSH, OAuth/Basic and still no luck.
I have also reset my Atlassian password and still no luck. We had license expiry recently with Atlassian/BitBucket and after its renewed by my organisation, I have started facing this issue.Kindly request you to assist me urgnelty. Thank you
My Atlassian account: vishwanatha.nayak@aurecongroup.com

[bgannin]

What version of Sourcetree are you using? What OS?

[Vishwanatha Nayak]

I have tried source tree with following versions:

2.4.7.0

2.3.50

2.2.4.0

2.1.11.0

My Windows OS version is - Windows 10

When I launch Source Tree and click on add account (remote), the Refresh Token opens up a browser and shows authentication successful, but source tree shows following error