I was trying to follow this tutorial This is a tutorial on Solana program dev using anchor and the error rises from using yarn on ubuntu 20.0 i guess and I got
onunload
apache-karaf
extension-function
nslog
linq-to-objects
speechsynthesizer
cohesion
sonar-runner
assistive-technology
infrastructure
stubbing
cythonize
appcompatdelegate
entry-point
autorun
accent-sensitive
camel-rest
pypy
getstate
clam
tortoisehg
totem
absolute
redux-observable
vscode-jsconfig
pyrevit
shotgun
autovacuum
bug-reporting
telerik-scheduler