Wikimedia Bugzilla is closed!

I set the interface language to Norwegian in the preferences 
on the English Wikipedia and now I can't change it back. I 
am User:Samuelsen.

http://en.wikipedia.org/wiki/Special:Preferences says:

utf8_decode_array given non-array 
Backtrace:

LanguageLatin1.php line 39 calls wfdebugdiebacktrace() 
LanguageLatin1.php line 94 calls utf8_decode_array() 
SpecialPreferences.php line 348 calls 
languagelatin1::getdateformats() 
SpecialPreferences.php line 114 calls 
preferencesform::mainprefsform() 
SpecialPreferences.php line 21 calls preferencesform::execute
() 
SpecialPage.php line 309 calls wfspecialpreferences() 
SpecialPage.php line 220 calls specialpage::execute() 
index.php line 93 calls specialpage::executepath()