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Rails commands have stopped working for 'c' or 'generate' etc.

I was setting elastic search and finally was able to make that all work, but for some reason when I type: rails c OR rails generate

BUT it works for example when I type: rails s rails -v etc.

Nothing happen, it is just loading and I have to force stop it with no results.

Has anyone an idea how to make it working again? I am learning ruby for one month, so am new in this.

Thank you, Miroslav

I have tried the following and it helped: bundle exec rake rails:update:bin