Ich habe diesen Fehler gefunden, als ich meine Website geöffnet habe, um sie zu starten. Ich wusste nicht, wie ich ihn beheben sollte. Kann mir jemand bitte helfen?
An alle, die dies sehen (auch eine Notiz an mein zukünftiges Ich):
Warten Sie, bis der Build abgeschlossen ist, und führen Sie localhost:4200 anstelle von localhost:3000 aus 
Build-erfolgreich-Nachricht:
Build successful (45326ms) – Serving on http://localhost:4200/
Slowest Nodes (totalTime >= 5%) | Total (avg)
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