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Fatal error: Uncaught ValueError: mysqli::query(): Argument #1 ($query) cannot be empty in /System/Volumes/Data/Web/11DGT/ws20181/PHP test/results.php:31 Stack trace: #0 /System/Volumes/Data/Web/11DGT/ws20181/PHP test/results.php(31): mysqli->query('') #1 {main} thrown in /System/Volumes/Data/Web/11DGT/ws20181/PHP test/results.php on line 31