Upgrade V 21.10.15 to 23.10 PHP error

Hello, I want upgrade my centreon with this documentation https://docs.centreon.com/docs/upgrade/upgrade-from-21-10/

This error at the end step.

PHP Fatal error: SourceGuardian Loader - This protected script was not encoded for version 8.1.27 of PHP. Please re-encode or contact the author of the script regarding this problem. Error code [07] in /usr/share/centreon/src/CentreonLicense/ServiceProvider.php on line 2

Can you help me?