Steps to reproduce:
- Create a page "Foo" edit it and save it several times
- Go to the administration and set the wiki in multilingual and set french and english for supported languages
- Go to http://localhost:8080/xwiki/bin/edit/Foo/WebHome?language=en and save
- Go to http://localhost:8080/xwiki/bin/edit/Foo/WebHome?language=fr and save
- The translations are saved
- A conflict window appears when saving in french. Reloading the page doesn't help: we cannot create the translation at all.