This link doesn't seem to work: https://msdn.microsoft.com/query/roslyn.query?appId=roslyn&k=k(CS8344)

I end up here: https://learn.microsoft.com/en-us/dotnet/csharp/misc/sorry-we-don-t-have-specifics-on-this-csharp-error?f1url=%3FappId%3Droslyn%26k%3Dk(CS8344)

From C# Dev Kit.