Spotted in production:
1 Warning: Invalid argument: Type H: illegal hex digit y in /srv/mediawiki/php-1.25wmf19/extensions/Flow/includes/Model/UUID.php on line 412 1 Warning: Invalid argument: Type H: illegal hex digit t in /srv/mediawiki/php-1.25wmf19/extensions/Flow/includes/Model/UUID.php on line 412 1 Warning: Invalid argument: Type H: illegal hex digit r in /srv/mediawiki/php-1.25wmf19/extensions/Flow/includes/Model/UUID.php on line 412 1 Warning: Invalid argument: Type H: illegal hex digit p in /srv/mediawiki/php-1.25wmf19/extensions/Flow/includes/Model/UUID.php on line 412 1 Warning: Invalid argument: Type H: illegal hex digit l in /srv/mediawiki/php-1.25wmf19/extensions/Flow/includes/Model/UUID.php on line 412 1 Warning: Invalid argument: Type H: illegal hex digit / in /srv/mediawiki/php-1.25wmf19/extensions/Flow/includes/Model/UUID.php on line 412 1 Warning: Invalid argument: Type H: illegal hex digit g in /srv/mediawiki/php-1.25wmf19/extensions/Flow/includes/Model/UUID.php on line 412