<p>Still didn't worked.<br>
I found a solution at <a href="https://stackoverflow.com/questions/54087856/cant-find-gem-bundler-0-a-with-executable-bundle-gemgemnotfoundexceptio/54088452" rel="nofollow"></a></p>
<p>I had to run <code>gem update --system</code><br>
Then <code>bundle install</code> worked</p>

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