Recently I have been having some trouble with heroku git push from my Windows PC. Whenever I run,
> git push heroku master
I an stung with this message:
PuTTY Fatal Error No supported authentication methods available (server sent: publickey)
I have tried several things like adding keys with heroku keys:add etc.
Finally, following helped:
> heroku git:remote -a appname
Apparently, meta about remote was corrupted, and executing this command fixed it.