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Warning: Undefined array key "type" in C:\Apache24\htdocs\BMT\installation-ajax.php on line 14

Fatal error: Uncaught Error: Call to undefined function mysql_close() in C:\Apache24\htdocs\BMT\installation-ajax.php:20 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\BMT\installation-ajax.php on line 20