Bundler: You must use Bundler 2 or greater with this lockfile

Question

I\'m working with heroku and every time I try to push my app this message shows out:

remote: Compressing source files... done.
remote: Building source:
remo         


        

Answer 1

I got the same issue in my local system, my ruby version was low due to which the error was occurring. Fixed it by switching it to updated versions of ruby.