I am studying for the book "Ruby learn to program in the most amusing Language" of the author "Lucas Souza" editor "House of the code".
In my requirements file when I try to run the following error:
Traceback (most recent call last): 6: from loja_virtual.rb:1:in '<main>' 5: from /usr/local/lib/site_ruby/2.5.0/rubygems/core_ext/kernel_require.rb:39:in
require' 4: from /usr/local/lib/site_ruby/2.5.0/rubygems/core_ext/kernel_require.rb:135:in
rescue in require ' 3: from /usr/local/lib/site_ruby/2.5.0/rubygems/core_ext/kernel_require.rb:135:inrequire' 2: from /var/lib/gems/2.5.0/gems/active_file-0.0.2.3/lib/active_file.rb:3:in
' 1: from /usr/local/lib/site_ruby/2.5.0/rubygems/core_ext/kernel_reqDoes anyone here knows how to fix or what is it?Thank you so much.uire.rb:59:in 'require' /usr/local/lib/site_ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in
'require': can not load such file - FileUtils (LoadError)
Any help is valid and thank you in advance.