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:
chararray
document-database
kibana-6
multilingual
lnk
anyio
constraint-validation
flot
liferay-7
jep-396
heads-up-notifications
parsehub
lightstep
simplexmlconverterfactory
gui-builder
httpx
ipconfig
tdlib
php-ews
panda3d
fputs
android-ble
react-css-modules
pawn
agile
image-stabilization
shortcode
pine-editor
no-match
virtual-reality