Template Error: filename: file /sitemap.tpl does not exist.

Fatal error: Uncaught ValueError: Path cannot be empty in /home/cartitan/public_html/include/class/template.class.php:527 Stack trace: #0 /home/cartitan/public_html/include/class/template.class.php(527): file_get_contents('') #1 /home/cartitan/public_html/include/class/template.class.php(209): Template->_loadFile('tpl_main') #2 /home/cartitan/public_html/new_sitemap.php(9): Template->set_block('tpl_main', 'games', 'var_games') #3 {main} thrown in /home/cartitan/public_html/include/class/template.class.php on line 527