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Angular Error: An unhandled exception occurred while processing the request.
 
 
Fehler wenn man eine Angular Anwendung auf einem Windows Computer starten möchte:
 

An unhandled exception occurred while processing the request.


AggregateException: One or more errors occurred. (One or more errors occurred. (The NPM script 'start' exited without indicating that the Angular CLI was listening for requests. The error output was: Der Befehl "ng" ist entweder falsch geschrieben oder

konnte nicht gefunden werden.
npm ERR! code ELIFECYCLE

npm ERR! errno 1
npm ERR!
AngularWeb01@0.0.0 start: `ng serve --extract-css "--port" "54781"`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the AngularWeb01@0.0.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm WARN Local package.json exists, but node_modules missing, did you mean to install?

 

 
 
Lösung:
Man muss zuvor Node.js installieren
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Angular Fehler: An unhandled exception occurred while processing the request.
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Fehler AggregateException : The NPM start exited without indicating that the Angular CLI was listening for requests

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