I am currently experiencing an issue that prevents me from deploying my application correctly and connecting my GitHub repository.

Situation:

• My project is hosted on Railway and was working correctly before.

• When trying to deploy new changes, Railway shows the message “Deploy this commit from an external contributor” and remains in a Pending state.

• When attempting to reconnect the GitHub repository, I receive the following error:
  “Error authenticating with GitHub – Invalid GitHub OAuth callback.”

• Because of this, Railway is unable to access the repository and the new changes are not applied, causing the application to fail to respond (Application failed to respond).

Actions taken:

• Attempted to reconnect the repository from Railway.

• Tried logging in using an incognito window.

• Cleared cookies and site data for railway.app and github.com.

• Verified that the repository exists and that I have owner permissions.

Request:
I would appreciate your assistance with:

• Restoring the GitHub OAuth authentication, or

• Letting me know if there is any known issue with the GitHub OAuth callback, or

• Fully unlinking the repository so I can reconnect it properly.

Please let me know if you need any additional information from my side.

Thank you very much for your support.