Fatal error: Uncaught Error: Undefined constant "PKP\cliTool\INDEX_FILE_LOCATION" in C:\xampp\htdocs\ojs\lib\pkp\classes\cliTool\CommandLineTool.php:39 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ojs\lib\pkp\classes\cliTool\CommandLineTool.php on line 39