trying to run but error comes...

[robec1982]

Hello I'm trying to install your angular-ngrx-material-starter but its impossible due to a recurrent error described as follows by npm installer:

An unhandled exception occurred: Cannot find module './internal/Observable'
Require stack:

• C:\Users\RobertoCarlos\Workspaces\Angular CLI\pubs-registry\node_modules@angular-devkit\build-angular\node_modules\rxjs\index.js
• C:\Users\RobertoCarlos\Workspaces\Angular CLI\pubs-registry\node_modules@angular-devkit\build-angular\node_modules@angular-devkit\architect\src\api.js
• C:\Users\RobertoCarlos\Workspaces\Angular CLI\pubs-registry\node_modules@angular-devkit\build-angular\node_modules@angular-devkit\architect\src\index.js
• C:\Users\RobertoCarlos\Workspaces\Angular CLI\pubs-registry\node_modules@angular-devkit\build-angular\src\dev-server\index.js
• C:\Users\RobertoCarlos\AppData\Roaming\npm\node_modules@angular\cli\node_modules@angular-devkit\architect\node\node-modules-architect-host.js
• C:\Users\RobertoCarlos\AppData\Roaming\npm\node_modules@angular\cli\node_modules@angular-devkit\architect\node\index.js
• C:\Users\RobertoCarlos\AppData\Roaming\npm\node_modules@angular\cli\models\architect-command.js
• C:\Users\RobertoCarlos\AppData\Roaming\npm\node_modules@angular\cli\commands\serve-impl.js
• C:\Users\RobertoCarlos\AppData\Roaming\npm\node_modules@angular\cli\node_modules@angular-devkit\schematics\tools\export-ref.js
• C:\Users\RobertoCarlos\AppData\Roaming\npm\node_modules@angular\cli\node_modules@angular-devkit\schematics\tools\index.js
• C:\Users\RobertoCarlos\AppData\Roaming\npm\node_modules@angular\cli\utilities\json-schema.js
• C:\Users\RobertoCarlos\AppData\Roaming\npm\node_modules@angular\cli\models\command-runner.js
• C:\Users\RobertoCarlos\AppData\Roaming\npm\node_modules@angular\cli\lib\cli\index.js
• C:\Users\RobertoCarlos\AppData\Roaming\npm\node_modules@angular\cli\lib\init.js
• C:\Users\RobertoCarlos\AppData\Roaming\npm\node_modules@angular\cli\bin\ng
  See "C:\Users\ROBERT~1\AppData\Local\Temp\ng-RTlF7R\angular-errors.log" for further details.
  npm ERR! code ELIFECYCLE
  npm ERR! syscall spawn
  npm ERR! file C:\windows\system32\cmd.exe
  npm ERR! errno ENOENT
  npm ERR! angular-ngrx-material-starter@8.3.1 start: ng serve --open
  npm ERR! spawn ENOENT
  npm ERR!
  npm ERR! Failed at the angular-ngrx-material-starter@8.3.1 start script.
  npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

Please, do you have some suggestion?

[tomastrajan]

Did you install with npm ci or npm install ?

[robec1982]

I'm using npm install. I'll try with npm ci

[robec1982]

I've tried with npm ci and even with npm ci --save-dev @commitlint/cli@8.1.0 as suggested by @khasanovrs to surpass high vulnerabilities but a new error comes:

npm WARN prepare removing existing node_modules/ before installation
npm ERR! Unexpected end of JSON input while parsing near '...2":"latest","@types/m'

after that my terminal gets into a kind of stand by :(