Forum Discussion
SP2019 Server Quick Launch Nav missing on Modern sites after Aug CU patch install
Installed https://support.microsoft.com/en-us/help/4484472/security-update-for-sharepoint-server-2019-august-11-2020 yesterday on SP2019 Server. Users today started to complain that the Quick Launch...
Installing KB4486675 did the trick for me!
https://www.microsoft.com/en-us/download/details.aspx?id=102240
.. and remember PSConfig 🙂