<PackageReference Include="Relativity.Server.Import.SDK" Version="2.9.2" />

Relativity.DataExchange.ImportExportException

The exception thrown when a serious import or export error occurs. This represents a common base exception type for import and export workflows.
namespace Relativity.DataExchange { public class ImportExportException : Exception { public ImportExportException(); public ImportExportException(string message); public ImportExportException(string message, Exception innerException); protected ImportExportException(SerializationInfo info, StreamingContext context); } }