diff --git a/Testing/TableTest.h b/Testing/TableTest.h
index 4f08a8e..05d506e 100644
--- a/Testing/TableTest.h
+++ b/Testing/TableTest.h
@@ -28,6 +28,8 @@ static_assert( __cplusplus > 2020'99 );
 
 #include <Alepha/Console.h>
 
+#include <Alepha/Exception.h>
+
 #include "colors.h"
 #include "printDebugging.h"
 
@@ -58,6 +60,15 @@ namespace Alepha::Hydrogen::Testing  ::detail::  TableTest_m
 	template< typename T >
 	using compute_base_t= typename decltype( compute_base_f< std::decay_t< T > >() )::type;
 
+	template< typename T >
+	requires( DerivedFrom< T, std::exception > or DerivedFrom< T, Alepha::Exception > )
+	std::string
+	getMessageFromException( const T &ex )
+	{ 
+		if constexpr( DerivedFrom< T, std::exception > ) return ex.what();
+		else return ex.message();
+	}
+
 	template< typename return_type, OutputMode outputMode >
 	struct BasicUniversalHandler
 		: compute_base_t< return_type >
@@ -208,10 +219,11 @@ namespace Alepha::Hydrogen::Testing  ::detail::  TableTest_m
 		}
 		{}
 
-		template< DerivedFrom< std::exception > T >
+		template< typename T >
+		requires( DerivedFrom< T, std::exception > or DerivedFrom< T, Alepha::Exception > )
 		BasicUniversalHandler( const T exemplar ) : impl
 		{
-			[expected= std::string{ exemplar.what() }]( Invoker invoker, const std::string &comment ) -> std::tuple< TestResult, std::optional< std::string > >
+			[expected= getMessageFromException( exemplar )]( Invoker invoker, const std::string &comment ) -> std::tuple< TestResult, std::optional< std::string > >
 			{
 				try
 				{
@@ -223,7 +235,7 @@ namespace Alepha::Hydrogen::Testing  ::detail::  TableTest_m
 					}
 					catch( const T &ex )
 					{
-						const std::string witness= ex.what();
+						const std::string witness= getMessageFromException( ex );
 						const TestResult rv= witness == expected ? TestResult::Passed : TestResult::Failed;
 						std::ostringstream oss;
 						if( rv == TestResult::Failed )
@@ -239,6 +251,11 @@ namespace Alepha::Hydrogen::Testing  ::detail::  TableTest_m
 					return { TestResult::Failed, IOStreams::String() << "Incorrect exception type " << Utility::fancyTypeName( typeid( ex ) ) << " was thrown, but "
 							<< Utility::fancyTypeName< T >() << " was expected." };
 				}
+				catch( const Exception &ex )
+				{
+					return { TestResult::Failed, IOStreams::String() << "Incorrect exception type " << Utility::fancyTypeName( typeid( ex ) ) << " was thrown, but "
+							<< Utility::fancyTypeName< T >() << " was expected." };
+				}
 				catch( ... )
 				{
 					return { TestResult::Failed, IOStreams::String() << "Incorrect exception type (<Unknown>) was thrown, but "