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Fatal error: Uncaught Error: Failed opening required 'lib/pkp/lib/vendor/autoload.php' (include_path='.') in C:\xampp\htdocs\journal\lib\pkp\includes\bootstrap - backup copy.php:38 Stack trace: #0 {main} thrown in C:\xampp\htdocs\journal\lib\pkp\includes\bootstrap - backup copy.php on line 38