...Controller::editAction() should be compatible with FOSUserBundleControllerProfileController::editAction(SymfonyComponentHttpFoundationRequest $request)
adicionar:
use SymfonyComponentHttpFoundationRequest;
mudança:
public function editAction()
para:
public function editAction(Request $request)
ser compatível com:
FOSUserBundleControllerProfileController::editAction(SymfonyComponentHttpFoundationRequest $request)