* required eventually.
                         */
                        ACPI_ERROR((AE_INFO,
-                                   "Unsupported Reference opcode=%X in object %p",
+                                   "Cannot convert to external object - "
+                                   "unsupported Reference type [%s] %X in object %p",
+                                   acpi_ut_get_reference_name(internal_object),
                                    internal_object->reference.opcode,
                                    internal_object));
                        status = AE_TYPE;
 
        default:
 
-               ACPI_ERROR((AE_INFO, "Unsupported type=%X in object %p",
+               ACPI_ERROR((AE_INFO, "Cannot convert to external object - "
+                           "unsupported type [%s] %X in object %p",
+                           acpi_ut_get_object_type_name(internal_object),
                            ACPI_GET_OBJECT_TYPE(internal_object),
                            internal_object));
                status = AE_TYPE;