Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /var/www/osc/html/gallery/include/dblayer/functions_mysqli.inc.php:677 Stack trace: #0 /var/www/osc/html/gallery/include/dblayer/functions_mysqli.inc.php(677): implode() #1 /var/www/osc/html/gallery/include/calendar_base.class.php(314): pwg_db_concat_ws() #2 /var/www/osc/html/gallery/include/calendar_monthly.class.php(129): CalendarBase->build_next_prev() #3 /var/www/osc/html/gallery/include/functions_calendar.inc.php(207): CalendarMonthly->generate_category_content() #4 /var/www/osc/html/gallery/include/section_init.inc.php(563): initialize_calendar() #5 /var/www/osc/html/gallery/index.php(27): include('...') #6 {main} thrown in /var/www/osc/html/gallery/include/dblayer/functions_mysqli.inc.php on line 677