Database error

From Urbanchicken

A database query syntax error has occurred. This may indicate a bug in the software. The last attempted database query was:
(SQL query hidden)
from within function "DoubleRedirectsPage::doQuery". MySQL returned error "1052: Column 'page_restrictions' in where clause is ambiguous (localhost)".
Retrieved from "http://www.urbanchicken.org.uk/index.php/Special:DoubleRedirects"
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