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Warning: include(exm19.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\PBN\PSAinstrument\graph1.php on line 4

Warning: include(): Failed opening 'exm19.php' for inclusion (include_path='.;C:\php\pear') in C:\xampp\htdocs\PBN\PSAinstrument\graph1.php on line 4

Fatal error: Uncaught Error: Call to undefined function GenGraph() in C:\xampp\htdocs\PBN\PSAinstrument\graph1.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\PBN\PSAinstrument\graph1.php on line 5