Fatal error: Uncaught Error: [] operator not supported for strings in /home/kmksiazki/ftp/sklep/shop/lib/shop.class.php:529 Stack trace: #0 /home/kmksiazki/ftp/sklep/shop/modul/oferta.php(280): Shop->cat_lists(0, 0, 0) #1 /home/kmksiazki/ftp/sklep/index.php(83): require('/home/kmksiazki...') #2 {main} thrown in /home/kmksiazki/ftp/sklep/shop/lib/shop.class.php on line 529