How to resolve Error "Repository not found. fatal that is  Could not read from remote repository".

There is always a problem while trying to access or read from the remote Git repository, as shown by the error message "fatal: Could not read from remote repository".
Please make sure you are using a recent version of Git.
Please check if the remote repository is functioning correctly. Sometimes, issues on the remote side can cause this error.

Some time by defult use  navigate to the local repository and we need to cross check the remote URL  is correct or not.
The following actions can be taken to troubleshoot and fix this problem:

Introduction

Encountering the error message "fatal: Could not read from remote repository" in Git can be frustrating. This error typically occurs due to issues with repository access, incorrect remote URLs, authentication problems, or outdated Git versions. This guide provides step-by-step solutions to resolve this Git error effectively.

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Common Causes of the Error

• Incorrect or missing remote repository URL.
• Authentication issues (e.g., SSH keys, token access).
• Repository permissions are not properly set.
• The remote repository does not exist or has been deleted.
• Using an outdated version of Git.

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Steps to Resolve the Git 'Repository Not Found' Error

Step 1: Verify the Remote URL

Run the following command to check the current remote URL configured in your local repository:

git remote -v

If the URL is incorrect, follow the next steps to update it.

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Step 2: Remove the Incorrect Remote URL

To remove the incorrect remote URL, use:

git remote remove origin

This removes the incorrect remote reference from your local Git configuration.

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Step 3: Add the Correct Remote URL

To add the correct repository URL, use one of the following commands:

git remote add origin https://github.com/username/repository.git

or update the existing URL with:

git remote set-url origin https://github.com/username/repository.git

Make sure to replace username/repository.git with the actual GitHub repository URL.

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Step 4: Verify the Correct Remote URL

After updating the remote URL, confirm that it is correctly set using:

git remote -v

Then, fetch the latest data from the remote repository:

git fetch origin

If there are no errors, the issue is likely resolved.

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Additional Troubleshooting Steps

1. Check Repository Access Permissions

Ensure that your Git account has the necessary permissions to access the repository. If using HTTPS, verify your username and personal access token (for private repositories).

2. Update Git to the Latest Version

Run the following command to check your Git version:

git --version

If you're using an outdated version, update Git accordingly.

3. Use SSH Authentication Instead of HTTPS

If you’re facing authentication issues with HTTPS, consider switching to SSH authentication:

git remote set-url origin [email protected]:username/repository.git

Make sure your SSH keys are correctly set up in GitHub or your Git service provider.

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Conclusion

By following these steps, you can effectively resolve the 'Repository Not Found. Fatal: Could Not Read from Remote Repository' error in Git. Always ensure your remote URLs are correct, authentication is properly configured, and that you have the necessary repository permissions. If issues persist, seek assistance from GitHub’s support or community forums.

Here we are check origin URL of Github. if it is wrong then remove it.