Sprockets::FileNotFound：在将 Rails 6 应用程序部署到 Heroku 时找不到类型为“text/scss”的文件“jquery-ui”

如何解决Sprockets::FileNotFound：在将 Rails 6 应用程序部署到 Heroku 时找不到类型为“text/scss”的文件“jquery-ui”

我正在努力将我的 Rails 6 应用程序部署到 Heroku - 部署因此错误消息而中断：

remote:        rake aborted!
remote:        Sprockets::FileNotFound: Couldn't find file 'jquery-ui' with type 'text/scss'
remote:        Checked in these paths:
remote:          /tmp/build_510d92ed/app/assets/config
remote:          /tmp/build_510d92ed/app/assets/images
remote:          /tmp/build_510d92ed/app/assets/javascripts
remote:          /tmp/build_510d92ed/app/assets/stylesheets

这是我的app/assets/config/manifest.js：

//= link_tree ../images
//= link_directory ../javascripts .js
//= link application.scss
//= link custom.css
//= link vendor/slick.min.js

是 app/assets/stylesheets/application.scss 文件：

/*
 *= require_self
 *= require jquery-ui
 */
 @import 'custom';

package.json：

{
  "name": "myapp","private": true,"dependencies": {
    "@hotwired/turbo-rails": "^7.0.0-beta.5","@rails/actioncable": "^6.0.0","@rails/activestorage": "^6.0.0","@rails/ujs": "^6.0.0","@rails/webpacker": "5.2.1","@tailwindcss/forms": "^0.3.2","@tailwindcss/postcss7-compat": "^2.0.4","autoprefixer": "^9","el-transition": "^0.0.7","google-maps": "^4.3.3","jquery": "^3.6.0","postcss": "^7","stimulus": "^2.0.0","tailwindcss": "npm:@tailwindcss/postcss7-compat"
  },"version": "0.1.0","devDependencies": {
    "webpack-dev-server": "^3.11.2"
  }
}

我该如何解决这个问题？

提前致谢。