i just try it again and copy the errors

Warning: main(includes/templates/template_default/sideboxes/tpl_testimonials_manager.php) [function.main]: failed to open stream: No such file or directory in /home/tiledepo/public_html/store/includes/modules/sideboxes/MY_TEMPLATE/testimonials_manager.php on line 41

Warning: main(includes/templates/template_default/sideboxes/tpl_testimonials_manager.php) [function.main]: failed to open stream: No such file or directory in /home/tiledepo/public_html/store/includes/modules/sideboxes/MY_TEMPLATE/testimonials_manager.php on line 41

Fatal error: main() [function.require]: Failed opening required 'includes/templates/template_default/sideboxes/tpl_testimonials_manager.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/tiledepo/public_html/store/includes/modules/sideboxes/MY_TEMPLATE/testimonials_manager.php on line 41