C# Compiler Warning – CS8620 argument of type ‘{0}’ cannot be used fo

In this blog post, you’ll learn more about the C# Compiler Warning – CS8620 and the related message description

C# Compiler Warning Code

CS8620

C# Compiler Description for the Code :CS8620

Argument of type ‘{0}’ cannot be used for parameter ‘{2}’ of type ‘{1}’ in ‘{3}’ due to differences in the nullability of reference types.