I got the message "Error: no-valid-subject: undefined" while I was moving
http://pt.wikibooks.org/wiki/T%C3%B3pico:Wikilivros:LiquidThreads/Testes/resposta_(6)
to a new topic in the same page
http://pt.wikibooks.org/wiki/Wikilivros:LiquidThreads
Version: unspecified
Severity: enhancement