When I restrict git mirors, if I give a non existing mirror id a fatal error_is thrown

Fatal error: Uncaught exception 'Git_Mirror_MirrorNotFoundException' in /usr/share/tuleap/plugins/git/include/Git/Mirror/MirrorDataMapper.class.php on line 356
( ! ) Git_Mirror_MirrorNotFoundException: in /usr/share/tuleap/plugins/git/include/Git/Mirror/MirrorDataMapper.class.php on line 356
Call Stack
# Time Memory Function Location
1 0.0000 656448 {main}( ) ../index.php:0
2 0.1422 8374192 GitPlugin->processAdmin( ) ../index.php:25
3 0.1436 8627512 Git_AdminRouter->display( ) ../gitPlugin.class.php:644
4 0.1437 8628736 Git_AdminMirrorController->display( ) ../AdminRouter.class.php:105
5 0.1437 8629056 Git_AdminMirrorController->getManageAllowedProjectsPresenter( ) ../AdminMirrorController.class.php:88
6 0.1437 8629368 Git_Mirror_MirrorDataMapper->fetch( ) ../AdminMirrorController.class.php:144