In a bid to run a Rails App on my local Ubuntu, I attempted to install the gems with the command gem install bunder / bundle install. However, I got the error:

rbenv: bundler: command not found . The `bundler' command exists in these Ruby versions:

2.4
2.4.1
2.4.2
2.4.5
2.5
2.5.0
2.5.1
2.5.3
2.5.7
2.5.8
2.6
2.6.0
2.6.1
2.6.3
2.6.4
2.6.5
2.6.6
2.6.7
2.6.8