The ArticleFeedbackV5 extensions received several database changes which were not applied on the beta wiki.
http://en.wikipedia.beta.wmflabs.org/wiki/Special:ArticleFeedbackv5
Error: 1054 Unknown column 'af_net_helpfulness' in 'field list' (deployment-sql)
Chris is going to need a fresh instance on enwiki beta so we need to deleted the aft tables and reinstall the extension tables properly.
Version: unspecified
Severity: normal