Update BlockAdmin.php
Update BlockAdmin.php

The admin is throwing exception when you have your own admin for blocks (Too many admins registered).
grimpows/SonataPageBundle,Dunduro/SonataPageBundle,grimpows/SonataPageBundle,Dunduro/SonataPageBundle,Aylarius/SonataPageBundle,sonata-project/SonataPageBundle,Aylarius/SonataPageBundle,Th3Mouk/SonataPageBundle,Th3Mouk/SonataPageBundle,Dunduro/SonataPageBundle,Aylarius/SonataPageBundle,grimpows/SonataPageBundle,sonata-project/SonataPageBundle,grimpows/SonataPageBundle,Aylarius/SonataPageBundle,grimpows/SonataPageBundle,Dunduro/SonataPageBundle,Th3Mouk/SonataPageBundle,Aylarius/SonataPageBundle,Dunduro/SonataPageBundle,Th3Mouk/SonataPageBundle