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 deleted the project and made a git clone from the Heroku app, don´t know if it is a good solution, but it worked for me.