Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /customers/e/f/9/ghosttanks-germany.de/httpd.www/Forum/inc/functions_calendar.php:134
Stack trace:
#0 /customers/e/f/9/ghosttanks-germany.de/httpd.www/Forum/portal/blocks/block_minicalendar.php(83): build_mini_calendar(Array, '4', '2024', Array)
#1 /customers/e/f/9/ghosttanks-germany.de/httpd.www/Forum/portal.php(229): include_once('/customers/e/f/...')
#2 {main}
  thrown in /customers/e/f/9/ghosttanks-germany.de/httpd.www/Forum/inc/functions_calendar.php on line 134