title: Cannot find module ng-angular-popup or its corresponding type declarations
body: <p>I'm trying to use the library ng-angular-popup and it's not working, so is not compiling.</p>
  <p>It's saying that doesn't find however I can see the module in folder node-modules. I've tried everything... Anyone can help me?</p>
  <p>This is my following version of Angular</p>
  <pre><code>Angular CLI: 13.3.9
  Node: 16.17.0
  Package Manager: npm 8.15.0
  OS: win32 x64
  
  Angular: 13.3.11
  ... animations, common, compiler, compiler-cli, core, forms
  ... platform-browser, platform-browser-dynamic, router
  
  Package                         Version
  ---------------------------------------------------------
  @angular-devkit/architect       0.1303.9
  @angular-devkit/build-angular   13.3.9
  @angular-devkit/core            13.3.9
  @angular-devkit/schematics      13.3.9
  @angular/cli                    13.3.9
  @schematics/angular             13.3.9
  rxjs                            7.5.6
  typescript                      4.6.4
  </code></pre>