헤로쿠-20 【해결】heroku-20 You are trying to install ruby-2.6.5 on heroku-20. The Ruby version you are trying to install does not exist on this stack. The Ruby version you are trying to install does not exist on this stack. heroku-20 You are trying to install ruby-2.6.5 on heroku-20. Ruby ruby-2.6.5 is present on the following stacks:cedar-14 heroku-16 heroku-18 '이라는 오... 경 6헤로쿠-20버전배포루비
【해결】heroku-20 You are trying to install ruby-2.6.5 on heroku-20. The Ruby version you are trying to install does not exist on this stack. The Ruby version you are trying to install does not exist on this stack. heroku-20 You are trying to install ruby-2.6.5 on heroku-20. Ruby ruby-2.6.5 is present on the following stacks:cedar-14 heroku-16 heroku-18 '이라는 오... 경 6헤로쿠-20버전배포루비