Error message

• Notice: Undefined index: und in include() (line 24 of /usr/home/mireiaridauradance/www/sites/all/modules/art_module/art_portfolio/theme/node--view--art_portfolio--block_classic.tpl.php).
• Notice: Undefined index: und in include() (line 24 of /usr/home/mireiaridauradance/www/sites/all/modules/art_module/art_portfolio/theme/node--view--art_portfolio--block_classic.tpl.php).
• Notice: Undefined index: und in include() (line 24 of /usr/home/mireiaridauradance/www/sites/all/modules/art_module/art_portfolio/theme/node--view--art_portfolio--block_classic.tpl.php).
• Notice: Undefined index: und in include() (line 24 of /usr/home/mireiaridauradance/www/sites/all/modules/art_module/art_portfolio/theme/node--view--art_portfolio--block_classic.tpl.php).
• Notice: Undefined index: und in include() (line 24 of /usr/home/mireiaridauradance/www/sites/all/modules/art_module/art_portfolio/theme/node--view--art_portfolio--block_classic.tpl.php).
• Notice: Undefined index: und in include() (line 24 of /usr/home/mireiaridauradance/www/sites/all/modules/art_module/art_portfolio/theme/node--view--art_portfolio--block_classic.tpl.php).
• Notice: Undefined index: und in include() (line 24 of /usr/home/mireiaridauradance/www/sites/all/modules/art_module/art_portfolio/theme/node--view--art_portfolio--block_classic.tpl.php).
• Notice: Undefined index: und in include() (line 24 of /usr/home/mireiaridauradance/www/sites/all/modules/art_module/art_portfolio/theme/node--view--art_portfolio--block_classic.tpl.php).
• Notice: Trying to get property of non-object in block_block_view() (line 245 of /usr/home/mireiaridauradance/www/modules/block/block.module).
• Notice: Trying to get property of non-object in block_block_view() (line 245 of /usr/home/mireiaridauradance/www/modules/block/block.module).