Ionic 5 SSR not working

**Description:**

i have created a new ionic 5 project with angular and added the ssr required plugins as given in the ionic doc. but when i run the project it shows me error

**Steps to Reproduce:**

create a new project.
and follow the instruction in the url given;
https://ionicframework.com/blog/ssr-with-angular-universal-and-ionic/

**Output:**

**My `ionic info`:**

Ionic:

Ionic CLI : 6.17.1 (/usr/local/lib/node_modules/@ionic/cli)
Ionic Framework : @ionic/angular 5.8.2
@angular-devkit/build-angular : 12.2.8
@angular-devkit/schematics : 12.1.4
@angular/cli : 12.2.8
@ionic/angular-toolkit : 4.0.0

Capacitor:

Capacitor CLI : 3.2.4
@capacitor/android : not installed
@capacitor/core : 3.2.4
@capacitor/ios : not installed

Utility:

cordova-res : 0.15.3
native-run : 1.4.1

System:

NodeJS : v14.17.6 (/usr/local/bin/node)
npm : 6.14.15
OS : macOS Big Sur