Warning: main(header.php): failed to open stream: Too many open files in /home/apex/product/10.2.0/Apache/Apache/htdocs/sprintsite22/public/page.php on line 11

Fatal error: main(): Failed opening required 'header.php' (include_path='.:/usr/share/pear') in /home/apex/product/10.2.0/Apache/Apache/htdocs/sprintsite22/public/page.php on line 11