Hi, when visiting my boom-onepage site as anonymous visitor I am getting the following error messages:

Notice: Undefined index: raw in md_boom_preprocess_views_view() (line 40 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: entity in md_boom_preprocess_views_view() (line 41 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: entity in md_boom_preprocess_views_view() (line 42 of /.../webseiten/sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: raw in md_boom_preprocess_views_view() (line 40 of /.../webseiten/sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: entity in md_boom_preprocess_views_view() (line 41 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: entity in md_boom_preprocess_views_view() (line 42 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: raw in md_boom_preprocess_views_view() (line 40 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: entity in md_boom_preprocess_views_view() (line 41 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: entity in md_boom_preprocess_views_view() (line 42 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: raw in md_boom_preprocess_views_view() (line 40 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: entity in md_boom_preprocess_views_view() (line 41 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: entity in md_boom_preprocess_views_view() (line 42 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: raw in md_boom_preprocess_views_view() (line 40 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: entity in md_boom_preprocess_views_view() (line 41 of /.../sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: entity in md_boom_preprocess_views_view() (line 42 of /..../webseiten/sites/all/themes/md_boom/inc/template.view.process.inc).
Notice: Undefined index: raw in include() (line 38 of /...sites/all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: entity in include() (line 39 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: entity in include() (line 40 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: raw in include() (line 38 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: entity in include() (line 39 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: entity in include() (line 40 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: raw in include() (line 38 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: entity in include() (line 39 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: entity in include() (line 40 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: raw in include() (line 38 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: entity in include() (line 39 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: entity in include() (line 40 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: raw in include() (line 38 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: entity in include() (line 39 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).
Notice: Undefined index: entity in include() (line 40 of /.../all/themes/md_boom/template/views/overview/views-view--overview--block.tpl.php).

I need urgently help to fix this.

Thanks a lot in advance.

Matteam