I've had a solution with a large number of projects in that has built fine since we switched to .NET6 then suddenly I am getting for every project this warning
closesocket
notification-listener
pyyaml
typescript-types
amazon-qldb
nexus-player
qt-jambi
ora-00923
react-native-permissions
avmetadataitem
previous-installation
argumentexception
pddl
qrcoder
sound-synthesis
c64
spotbugs
mongodb-atlas-search
adminhtml
asterisk-ari
qdoublespinbox
memoji
azure-deployment-slots
master-data-management
schemagen
data-migration
entity-framework-core-migrations
azure-policy
tuple-relational-calculus
cratedb