Fatal error: Uncaught TypeError: readdir(): Argument #1 ($dir_handle) must be of type resource or null, bool given in /homepages/7/d470303063/htdocs/backtothecity/artshowVorschau.php:24
Stack trace:
#0 /homepages/7/d470303063/htdocs/backtothecity/artshowVorschau.php(24): readdir(false)
#1 {main}
thrown in /homepages/7/d470303063/htdocs/backtothecity/artshowVorschau.php on line 24