Xampp Fatal error: Cannot use Titon\Utility\String

Here in the company has an ERP that is working correctly on the server. But I am trying to access it through xampp and this error appears.
The bank is already restored and the database connection settings are correct (Localhost).
Thanks for help.

Perhaps: http://php.net/manual/en/reserved.other-reserved-words.php

What CakePHP and PHP versions?