Warning: require(C:\yourls/index.php): Failed to open stream: No such file or directory in C:\yourls\router.php on line 6

Fatal error: Uncaught Error: Failed opening required 'C:\yourls/index.php' (include_path='.;C:\php\pear') in C:\yourls\router.php:6 Stack trace: #0 {main} thrown in C:\yourls\router.php on line 6