<PackageReference Include="System.Security.Permissions" Version="9.0.6" />

PolicyException

The exception that is thrown when policy forbids code to run.
using System.Runtime.CompilerServices; using System.Runtime.Serialization; namespace System.Security.Policy { [Serializable] [TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")] public class PolicyException : SystemException { public PolicyException() { } protected PolicyException(SerializationInfo info, StreamingContext context) : base(info, context) { } public PolicyException(string message) : base(message) { } public PolicyException(string message, Exception exception) : base(message, exception) { } } }