I have tried installing this twice already... End up with the same error consistently

Warning: main(includes/languages/english/html_includes/define_main_page.php): failed to open stream: No such file or directory in /hsphere/local/home/mcoskowi/ecademia.com/store/includes/templates/template_default/templates/tpl_index_default.php on line 39

Warning: main(includes/languages/english/html_includes/define_main_page.php): failed to open stream: No such file or directory in /hsphere/local/home/mcoskowi/ecademia.com/store/includes/templates/template_default/templates/tpl_index_default.php on line 39

Warning: main(includes/languages/english/html_includes/define_main_page.php): failed to open stream: No such file or directory in /hsphere/local/home/mcoskowi/ecademia.com/store/includes/templates/template_default/templates/tpl_index_default.php on line 39

Fatal error: main(): Failed opening required 'includes/languages/english/html_includes/define_main_page.php' (include_path='.:/usr/local/lib/php') in /hsphere/local/home/mcoskowi/ecademia.com/store/includes/templates/template_default/templates/tpl_index_default.php on line 39

Any help would be appreciated