این خطا در asp.net چه معنی دارد ؟

[mirhosseini-2014]

No mapping exists from object type System.Security.Principal.WindowsPrincipal to a known managed provider native type.Server Error in '/' Application.No mapping exists from object type System.Security.Principal.WindowsPrincipal to a known managed provider native type.Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: No mapping exists from object type System.Security.Principal.WindowsPrincipal to a known managed provider native type.


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