[phpBB Debug] PHP Warning: in file [ROOT]/calendar.php on line 20: include(./includes/functions_calendar.php): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file [ROOT]/calendar.php on line 20: include(): Failed opening './includes/functions_calendar.php' for inclusion (include_path='.:/opt/alt/php74/usr/share/pear')