C# Compiler Warning – CS8631 the type ‘{3}’ cannot be used as type pa

In this blog post, you’ll learn more about the C# Compiler Warning – CS8631 and the related message description

C# Compiler Warning Code

CS8631

C# Compiler Description for the Code :CS8631

The type ‘{3}’ cannot be used as type parameter ‘{2}’ in the generic type or method ‘{0}’. Nullability of type argument ‘{3}’ doesn’t match constraint type ‘{1}’.