Some of the tools developed by CAP-REL require advanced PHP functionality that is not always deployed.

This module is required for ScanPaye, for example.

Installation on a debian/ubuntu server

apt install php-yaml
systemctl restart apache2

Activation on o2switch, hostinger etc. (or other hosts that offer a web control panel)

</ignore>Activation of the yaml module on o2switch

</ignore>yaml module activation at hostinger

etc.