'<typename>' cannot be used as an attribute because it is not a class
An attempt was made to use a type that is not a class as an attribute.
Error ID: BC31503
To correct this error
- Define custom attributes as classes that derive from
System.Attribute.
See also
Collaborate with us on GitHub
The source for this content can be found on GitHub, where you can also create and review issues and pull requests. For more information, see our contributor guide.
Feedback
Coming soon: Throughout 2024 we will be phasing out GitHub Issues as the feedback mechanism for content and replacing it with a new feedback system. For more information see: https://aka.ms/ContentUserFeedback.
Submit and view feedback for