Warning: require_once(sourcl.os-0.7.0.phar): failed to open stream: No such file or directory in D:\ws.SourCL\data\web\online.kunde\htdocs\index.php on line 3

Fatal error: require_once(): Failed opening required 'sourcl.os-0.7.0.phar' (include_path='D:\bak\SourCL\release\') in D:\ws.SourCL\data\web\online.kunde\htdocs\index.php on line 3