<PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.0-preview.1.25080.5" />

ProviderException

public class ProviderException : Exception
The exception that is thrown when a configuration provider error has occurred. This exception class is also used by providers to throw exceptions when internal errors occur within the provider that do not map to other pre-existing exception classes.
using System.Runtime.CompilerServices; using System.Runtime.Serialization; namespace System.Configuration.Provider { [Serializable] [TypeForwardedFrom("System.Configuration, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")] public class ProviderException : Exception { public ProviderException() { } public ProviderException(string message) : base(message) { } public ProviderException(string message, Exception innerException) : base(message, innerException) { } protected ProviderException(SerializationInfo info, StreamingContext context) : base(info, context) { } } }