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remote: Verifying deploy... done. fatal: protocol error: bad line length character: fata error: error in sideband demultiplexer This just randomly started showing up. My changes are being saved in git and pushing successfully to Heroku. I have no idea what this means or what caused it as I have not done anything new at all.
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There are some errors which only occur when the app is rebooting so you will need to restart the app to see these log messages appear. For most apps, we also recommend enabling one of the free logging addons from https://elements.heroku.com/addons#logging to make sure that your historical log data is being saved.
To deploy your app to Heroku, use the git push command to push the code from your local repository's main branch to your heroku remote. For example: $ git push heroku main Initializing repository, done.
To upgrade via the Heroku Dashboard, navigate to your app settings page and click the Upgrade Stack button. Confirm that you want to upgrade, which will set the stack to the latest version.
Just had this issue myself. What worked for me was this response directly from Heroku Support
$ Upgrade GIT on your local machine $ heroku plugins:install heroku-repo $ heroku repo:reset -a <app-name> $ git commit --allow-empty -m "Reset repo" $ git push heroku master Having spoken to Heroku support recently regarding this, you can pass the below environment variables when pushing to your Heroku remote to reveal more about what's going on:
GIT_CURL_VERBOSE=1 GIT_TRACE=1 git push https://heroku:[email protected]/app-name.git develop:develop If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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