find_spec_for_exe': can't find gem bundler (>= 0.a) (Gem::GemNotFoundException)

Question

I used sudo bundle install and that might be the cause of the issue?

Now I have:

• gem -v 2.6.14
• ruby -v

Answer 1

This fixed it:

1. Remove Gemfile.lock rm Gemfile.lock
2. run bundle install again

EDIT: DON'T DO IT IN PRODUCTION!

For production go to this answer: https://stackoverflow.com/posts/54083113/revisions