SQLSTATE[HY000] [2002] Connection refused
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Fatal error: Uncaught Error: Call to a member function query() on null in /usr/share/nginx/html/novelAITotalSystem/yuyama2/rename.php:61 Stack trace: #0 {main} thrown in /usr/share/nginx/html/novelAITotalSystem/yuyama2/rename.php on line 61