Warning: include(start.php): failed to open stream: No such file or directory in /index.php on line 25

Warning: include(start.php): failed to open stream: No such file or directory in /index.php on line 25

Warning: include(): Failed opening 'start.php' for inclusion (include_path='.:/:/usr/local/php74/lib/pear') in /index.php on line 25
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Fatal error: Uncaught Error: Call to undefined function mysql_query() in /menu.php:20 Stack trace: #0 /index.php(51): include() #1 {main} thrown in /menu.php on line 20