blocked access to SSH keys created by some third party applications

You might see the following error message after a repository you work on has been transfered to an organisation account at github.

[mtop@albiorix Fucus_vesiculosus_genome_project]$ git push
ERROR: Sorry, but @The-Bioinformatics-Group has blocked access to SSH keys created by some third-party applications. Your key was created before GitHub tracked keys created by applications, so we need your help.

If you personally created this key, you can approve it at:

  https://github.com/settings/ssh/audit/4075077/policy

Otherwise, please upload a new key:

  https://github.com/settings/ssh

Fingerprint: 54:8e:68:39:48:c7:a2:74:3b:99:5e:b6:36:9b:40:37

[EPOLICYKEYAGE]

fatal: The remote end hung up unexpectedly

Follow the instructions and either approve the key or upload a new key in order to solve the problem.