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#1 ŽUR BLAGAJNA!
Fatal error: Uncaught TypeError: mysqli_close(): Argument #1 ($mysql) must be of type mysqli, null given in /volume1/Web/blagajna/index.php:441
Stack trace:
#0 /volume1/Web/blagajna/index.php(441): mysqli_close(NULL)
#1 {main}
thrown in /volume1/Web/blagajna/index.php on line 441