https://pt.wikibooks.org/wiki/Discuss%C3%A3o:Alfabeto_dos_animais
[1208a28c] 2016-02-27 21:28:55: Fatal exception of type MWUnknownContentModelException
https://pt.wikibooks.org/wiki/Discuss%C3%A3o:Livro_de_receitas
[df34be9d] 2016-02-27 21:28:56: Fatal exception of type MWUnknownContentModelException
[502cb7c0] 2016-02-27 21:30:33: Fatal exception of type MWUnknownContentModelException
[5420168c] 2016-02-29 15:56:37: Fatal exception of type MWUnknownContentModelException
https://pt.wikibooks.org/wiki/Utilizador_Discuss%C3%A3o:Marcos_Ant%C3%B4nio_Nunes_de_Moura
[d9d960f0] 2016-02-29 15:57:12: Fatal exception of type MWUnknownContentModelException
https://pt.wikibooks.org/wiki/Utilizador_Discuss%C3%A3o:Defender
[5105c319] 2016-02-29 15:58:24: Fatal exception of type MWUnknownContentModelException
https://pt.wikibooks.org/wiki/Utilizador_Discuss%C3%A3o:CommonsDelinker
Maybe it is related to T113682?