Warning: require(vendor/autoload.php): failed to open stream: No such file or directory in C:\SERVIDOR\xampp\htdocs\webservice\otras pruebas\example\index.php on line 9

Fatal error: require(): Failed opening required 'vendor/autoload.php' (include_path='C:\SERVIDOR\xampp\php\PEAR') in C:\SERVIDOR\xampp\htdocs\webservice\otras pruebas\example\index.php on line 9