Something is wrong with the heroku app. See the error messages preceeding this.
The repository and/or tag specified could not be found. Validate and fix the
repository and path. Be sure to remove the invalid buildpack (heroku buildpacks:remove ...) and add the valid buildpack (heroku buildpacks:add ...).
Ensure you are in a heroku app directory. If this is a new heroku application create it first.
Ensure you are in a heroku app directory. If this is a new heroku application create it first.
Review the troubleshooting documentation.