Archived discussion at http://www.wikidata.org/wiki/Wikidata:Contact_the_development_team/Archive/2012/11#language_code_problems
als, be-x-old and zh-yue are not a valid language code that should be used for labels, aliases and descriptions. Instead gsw, be-tarask and yue are the valid lang codes.
You you also check the lang setting of these wikis: http://als.wikipedia.org/w/api.php?action=query&meta=siteinfo&siprop=general
--------------------------
**Version**: wmf-deployment
**Severity**: normal
**URL**: https://meta.wikimedia.org/wiki/Special_language_codes
**See Also**:
https://bugzilla.wikimedia.org/show_bug.cgi?id=51071
https://bugzilla.wikimedia.org/show_bug.cgi?id=37459
https://bugzilla.wikimedia.org/show_bug.cgi?id=37754
https://bugzilla.wikimedia.org/show_bug.cgi?id=19986