KnpLabs/DoctrineBehaviors — pull request #149 by adrienrusso (2014-10-17 20:34:14+00:00)
Title: TranslatableSubscriber remove undefined property ($this->em)

https://github.com/KnpLabs/DoctrineBehaviors/blob/master/src/ORM/Translatable/TranslatableSubscriber.php#L163-Lundefined

Change $this->em to $em