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Warning: Attempt to read property "DBH" on null in C:\OpenServer2\domains\cubbo\app\assets\php\getNewCupon.php on line 64

Fatal error: Uncaught Error: Call to a member function prepare() on null in C:\OpenServer2\domains\cubbo\app\assets\php\getNewCupon.php:64 Stack trace: #0 {main} thrown in C:\OpenServer2\domains\cubbo\app\assets\php\getNewCupon.php on line 64