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Connection failed:
Fatal error: Uncaught TypeError: mysqli_num_rows(): Argument #1 ($result) must be of type mysqli_result, array given in /confereneceLV/universal_code/eposter.php:14 Stack trace: #0 /confereneceLV/universal_code/eposter.php(14): mysqli_num_rows() #1 {main} thrown in /confereneceLV/universal_code/eposter.php on line 14