Middleman Problem

Need Assistance on the below points

1.When am trying to run middleman command I am facing this problem can anyone please help in this
issue
2. And I have added slick.js in my js folder and tried running the build I can able to see the js file but content it is not referring
2. need to add CSS file also

please help me in the above points

C:\interface_project>middleman
WARN: Unresolved specs during Gem::Specification.reset:
thor (< 2.0, >= 0.17.0)
rack (< 3, >= 1.4.5)
activesupport (< 5.1, >= 3.1, >= 4.2)
addressable (> 2.3)
listen (> 3.0.0)
sass (>= 3.4)
execjs (< 3, >= 0.3.0, > 2.0)
concurrent-ruby (> 1.0)
WARN: Clearing out unresolved specs.
Please report a bug if this causes problems.
C:/interface_project/config.rb:13:in evaluate_configuration!’: undefined methodcompass_config’ for #Middleman::ConfigContext:0x000000047f2a70 (NoMethodErro
r)
from C:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/middleman-core-4.2.1/lib/mid
dleman-core/application.rb:329:in instance_eval’ from C:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/middleman-core-4.2.1/lib/mid dleman-core/application.rb:329:inevaluate_configuration!’
from C:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/middleman-core-4.2.1/lib/mid
dleman-core/application.rb:286:in initialize’ from C:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/middleman-cli-4.2.1/bin/midd leman:49:innew’
from C:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/middleman-cli-4.2.1/bin/midd
leman:49:in <top (required)>’ from C:/Ruby23-x64/bin/middleman:22:inload’
from C:/Ruby23-x64/bin/middleman:22:in `

Hello @harinath1983

For the 1.
I think you miss something like middleman serve

For the 2.
If you use middleman v4, you need to need to add an external pipeline to deal with your assets. https://middlemanapp.com/advanced/asset-pipeline/