Lee Hinman f9fd64fc78 Revert to older exception message
If the uuidBytes and ref are converted to utf8, it's possible they can
trip an assertion related to valid UTF-8/UTF-16 ranges, so display them
as hex, not as strings.
2016-08-01 11:51:39 -06:00
..
2016-08-01 11:51:39 -06:00