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Fatal error: Uncaught Error: Failed opening required 'jpgraph/jpgraph.php' (include_path='D:\xampp\php\PEAR') in D:\HTTP\htdocs\gincludes\jpgraph-4.3.2-pro\src\matrix_examples\matrix_csimex01.php:2 Stack trace: #0 {main} thrown in D:\HTTP\htdocs\gincludes\jpgraph-4.3.2-pro\src\matrix_examples\matrix_csimex01.php on line 2