Fatal error:  Uncaught Error: Failed opening required './phpbb/template/twig/definition.php' (include_path='.:/php_root/000000') in /apache$root/htdocs/vamp/phpbb/class_loader.php:160
Stack trace:
#0 /apache$root/htdocs/vamp/phpbb/template/twig/twig.php(355): phpbb\class_loader->load_class('\\phpbb\\template...')
#1 /apache$root/htdocs/vamp/phpbb/template/twig/twig.php(335): phpbb\template\twig\twig->get_template_vars()
#2 /apache$root/htdocs/vamp/phpbb/cron/task/wrapper.php(129): phpbb\template\twig\twig->assign_display('cron_html_tag')
#3 /apache$root/htdocs/vamp/phpbb/controller/helper.php(366): phpbb\cron\task\wrapper->get_html_tag()
#4 /apache$root/htdocs/vamp/phpbb/controller/helper.php(315): phpbb\controller\helper->set_cron_task()
#5 /apache$root/htdocs/vamp/includes/functions.php(4318): phpbb\controller\helper->display_footer(true)
#6 /apache$root/htdocs/vamp/includes/functions.php(2583): page_footer()
#7 /apache$root/htdocs/vamp/posting.php(453): login_box('', 'You need to log...')
#8 {main}
  thrown in /apache$root/htdocs/vamp/phpbb/class_loader.php on line 160