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:
setenv
vichuploaderbundle
weak-symbol
hypercube
msdropdown
network-tools
system-clock
smartsheet-api
workflow-activity
caeagllayer
nodeenv
for-json
sparqlwrapper
excanvas
grid-system
jfuzzylogic
delimiter
telebot
oracle-data-integrator
awt
kappa
react-router-dom
xamarin-binding
flask
qcachegrind
rosnodejs
mapwingis
redhat
aurora-near
scgi