Fatal error: Uncaught Error: Call to undefined method mysqli::exec() in /www/webvol44/fx/6fbl0hpjiju5war/cpsunis.gov.rs/public_html/includes/Document.php:21 Stack trace: #0 /www/webvol44/fx/6fbl0hpjiju5war/cpsunis.gov.rs/public_html/pages/javne-nabavke.php(21): Document->createTable() #1 {main} thrown in /www/webvol44/fx/6fbl0hpjiju5war/cpsunis.gov.rs/public_html/includes/Document.php on line 21