While deploying, I noticed numerous "Internal error in ApiFormatFeedWrapper::execute: Invalid feed class/item" exceptions in fluorine:/a/mw-log/exception.log
2014-03-26 21:40:17 mw1197 enwiki: [659b7cd8] /w/api.php?hidebots=1&days=7&limit=50&hidewikidata=1&action=feedrecentchanges&feedformat=atom Exception from line 2008 of /usr/local/apache/common-local/php-1.23wmf18/includes/api/ApiBase.php: Internal error in ApiFormatFeedWrapper::execute: Invalid feed class/item
in exception.log. All from enwiki. Most are this URL, some are feedformat=rss instead of atom.
Version: unspecified
Severity: normal