Errors began after updating to Angular-Cli V10.1.0. Initial problems I encountered: The ng command was not working. I found that core dependencies were missing:
google-persistent-disk
flutter-card
aws-site-to-site
react-native-push-notification
dynamic-content
material-design-3
pdfmake
mysql-5.1
iaas
immutable.js
ctor-initializer
atg-dynamo
opl
.net-4.6
chartjs-plugin-annotation
url-rewrite-module
dcraw
rce
cc
owin
hyper-api
googlebot
neoload
role-base-authorization
libunwind
canjs
ceil
fastexport
hmac
dbus-python