in just the second command where it asked me to write "glimmer examples" i gut this:
-basics/exercise-01$ glimmer examples
internal:/home/alaa/.rbenv/versions/3.2.1/lib/ruby/site_ruby/3.2.0/rubygems/core_ext/kernel_require.rb:136:in require': cannot load such file -- fiddle/import (LoadError) from internal:/home/alaa/.rbenv/versions/3.2.1/lib/ruby/site_ruby/3.2.0/rubygems/core_ext/kernel_require.rb:136:in require'
from /home/alaa/.rbenv/versions/3.2.1/lib/ruby/gems/3.2.0/gems/libui-0.1.2/lib/libui/ffi.rb:1:in <top (required)>' from /home/alaa/.rbenv/versions/3.2.1/lib/ruby/gems/3.2.0/gems/libui-0.1.2/lib/libui.rb:20:in require_relative'
from /home/alaa/.rbenv/versions/3.2.1/lib/ruby/gems/3.2.0/gems/libui-0.1.2/lib/libui.rb:20:in module:LibUI' from /home/alaa/.rbenv/versions/3.2.1/lib/ruby/gems/3.2.0/gems/libui-0.1.2/lib/libui.rb:5:in <top (required)>'
from internal:/home/alaa/.rbenv/versions/3.2.1/lib/ruby/site_ruby/3.2.0/rubygems/core_ext/kernel_require.rb:136:in require' from internal:/home/alaa/.rbenv/versions/3.2.1/lib/ruby/site_ruby/3.2.0/rubygems/core_ext/kernel_require.rb:136:in require'
from /home/alaa/.rbenv/versions/3.2.1/lib/ruby/gems/3.2.0/gems/glimmer-dsl-libui-0.12.7/lib/glimmer-dsl-libui.rb:43:in <top (required)>' from /home/alaa/.rbenv/versions/3.2.1/lib/ruby/gems/3.2.0/gems/glimmer-dsl-libui-0.12.7/bin/glimmer:24:in require_relative'
from /home/alaa/.rbenv/versions/3.2.1/lib/ruby/gems/3.2.0/gems/glimmer-dsl-libui-0.12.7/bin/glimmer:24:in <top (required)>' from /home/alaa/.rbenv/versions/3.2.1/bin/glimmer:25:in load'
from /home/alaa/.rbenv/versions/3.2.1/bin/glimmer:25:in `

'
i am not sure or have any idead why this happened to me

i tried different ruby versions(3.3.5, 3.2.1) but nothing work

any ideas that might help me.

thank you

it is suppose to show me simple app with simple GUI but an error relate to no such file with require:

require 'glimmer-dsl-libui'
keep show up no matter what i try

i install the gem with : gem install glimmer-dsl-libui -v0.12.5

and nothing happpened