ruby on railsのサーバー起動の失敗

プログラミング初心者です。ruby on railsの環境構築をしていて、すべて終わったのですが、サーバー起動のためにrails s　を実行すると下記のエラーが出てしまいます。

C:\Users¥a¥sample_app/rails s
Traceback (most recent call last):
18: from bin/rails:4: in <main>
17: from bin/rails:4: in require
16: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands. rb:18: in <top (required)
15: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands/commands_tasks. rb:49: in run_command!!
14: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands/commands_tasks. rb:85: in server
13: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/railties-　5.0.7.2/lib/rails/commands/commands tasks. rb:85: in tap'
12: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands/commands tasks. rb:88: in block in server'
11: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands/commands_tasks. rb:88: in require
10: from C:/Users/a/sample_app/config/application. rb: 7: in <top (required)
9: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/bundler-1.17.3/lib/bundler.rb:114: in
require'
8: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/bundler-1.17.3/lib/bundler/runt ime.
rb:65: in require
7: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/bundler-1.17.3/lib/bundler/runt ime.
rb:65: in each'
6: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/bundler-1.17.3/lib/bundler/runt ime.
rb:76: in block in require
5: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/bundler-1.17.3/lib/bundler/runt ime.
rb:76: in each'
4: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/bundler-1.17.3/lib/bundler/runt ime.
rb:81: in block (2 levels) in require
3: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/bundler-1.17.3/lib/bundler/runt ime.
rb:81: in require
2: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/sqlite3-1.3.13-x64-
mingw32/lib/sqlite3. rb:2: in Stop (required)
1: from C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/sqlite3-1.3.13-x64-
mingw32/lib/salite3. rb:6: in rescue in Stop (required)
C:/Ruby25-x64/lib/ruby/gems/2.5.0/gems/sqlite3-1.3.13-x64-mingw32/lib/sqlite3.rb:6: in 'require': cannot load such file -- salite3/sqlite3_native (LoadError)