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:
cryptsharp
bluetooth
torque
vsprops
help-system
documentum-dql
azure-storage-wagon
google-apps-marketplace
aws-copilot
powershell-workflow
datacontractserializer
excelr
gradienttape
trendline
result-of
grand-theft-auto
gocardless
gtkcssprovider
pysat
jfxtras
overlayfs
ef-core-2.0
windows-mobile
velero
nagios
ejml
django-email
windows-hello
anki
dimensionality-reduction