Only 29 in exception.log like this so far, but should get this fixed asap
2015-07-02 19:26:22 mw1074 enwiki exception INFO: [8500a51c] /w/index.php?title=Special:UserLogin&action=submitlogin&type=signup&returnto=Under_Armour_All-America_Game&returntoquery=action%3Dedit%26section%3D13 Exception from line 2130 of /srv/mediawiki/php-1.26wmf12/extensions/CentralAuth/includes/CentralAuthUser.php: Could not find local user data for <XXXXXXX>@enwiki
#0 /srv/mediawiki/php-1.26wmf12/extensions/CentralAuth/includes/CentralAuthUser.php(2070): CentralAuthUser->localUserData()
#1 /srv/mediawiki/php-1.26wmf12/extensions/CentralAuth/includes/CentralAuthUser.php(2030): CentralAuthUser->queryAttached()
#2 /srv/mediawiki/php-1.26wmf12/extensions/CentralAuth/includes/CentralAuthHooks.php(2078): CentralAuthUser->getLocalGroups()
#3 /srv/mediawiki/php-1.26wmf12/includes/Hooks.php(204): CentralAuthHooks::onPasswordPoliciesForUser()
#4 /srv/mediawiki/php-1.26wmf12/includes/password/UserPasswordPolicy.php(107): Hooks::run()
#5 /srv/mediawiki/php-1.26wmf12/includes/password/UserPasswordPolicy.php(74): UserPasswordPolicy->getPoliciesForUser()
#6 /srv/mediawiki/php-1.26wmf12/includes/User.php(859): UserPasswordPolicy->checkUserPassword()
#7 /srv/mediawiki/php-1.26wmf12/includes/specials/SpecialUserlogin.php(548): User->checkPasswordValidity()
#8 /srv/mediawiki/php-1.26wmf12/includes/specials/SpecialUserlogin.php(377): LoginForm->addNewAccountInternal()
#9 /srv/mediawiki/php-1.26wmf12/includes/specials/SpecialUserlogin.php(314): LoginForm->addNewAccount()
#10 /srv/mediawiki/php-1.26wmf12/includes/specialpage/SpecialPage.php(384): LoginForm->execute()
#11 /srv/mediawiki/php-1.26wmf12/includes/specialpage/SpecialPageFactory.php(550): SpecialPage->run()
#12 /srv/mediawiki/php-1.26wmf12/includes/MediaWiki.php(249): SpecialPageFactory::executePath()
#13 /srv/mediawiki/php-1.26wmf12/includes/MediaWiki.php(668): MediaWiki->performRequest()
#14 /srv/mediawiki/php-1.26wmf12/includes/MediaWiki.php(465): MediaWiki->main()
#15 /srv/mediawiki/php-1.26wmf12/index.php(41): MediaWiki->run()
#16 /srv/mediawiki/w/index.php(3): include()
#17 {main} {"private":false}