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Fatal error: Uncaught PDOException: SQLSTATE[3D000]: Invalid catalog name: 1046 No database selected in /opt/lampp/htdocs/kkfood/tg/tg_category_list.php:29 Stack trace: #0 /opt/lampp/htdocs/kkfood/tg/tg_category_list.php(29): PDOStatement->execute() #1 {main} thrown in /opt/lampp/htdocs/kkfood/tg/tg_category_list.php on line 29