--- /dev/null
+#include "ConversionException.hxx"
+
+using namespace YACS::ENGINE;
+
+const char ConversionException::TYPEOFEXCEPTION[]="Conversion between types failed : ";
+
+
+ConversionException::ConversionException(const std::string& what):Exception(TYPEOFEXCEPTION)
+{
+ _what=TYPEOFEXCEPTION;
+ _what+=what;
+}