Warning: Undefined variable $kat_array in /home/httpd/vhosts/dbfcz.ch/fczarchiv/liste.php on line 140

Fatal error: Uncaught TypeError: implode(): Argument #1 ($array) must be of type array, string given in /home/httpd/vhosts/dbfcz.ch/fczarchiv/liste.php:140
Stack trace:
#0 /home/httpd/vhosts/dbfcz.ch/fczarchiv/liste.php(140): implode(' OR fcza_katalo...', NULL)
#1 {main}
  thrown in /home/httpd/vhosts/dbfcz.ch/fczarchiv/liste.php on line 140