PHP fatal error in /usr/local/apache/common-local/php-1.24wmf4/extensions/Flow/includes/Data/TopicHistoryIndex.php line 92:
Call to a member function getAlphadecimal() on a non-object
error found via Topic History links (eg these 2
https://www.mediawiki.org/w/index.php?title=Talk:Winter&workflow=ru05ekkrbnrx07b5&action=history
https://test.wikipedia.org/w/index.php?title=Talk:Flow_QA&workflow=rom1kb6xio52fmns&action=history )
at mediawiki and testwiki.
(However, beta.wmflabs and Enwiki are both fine)
Version: unspecified
Severity: normal