Run fresh Powerbox configuration :
ssh -o "StrictHostKeyChecking=no" admin@192.168.88.1 '/tool fetch url="https://gitlab.altinea.fr/altinea/install-scripts/raw/branch/master/routeros/powerbox-init.rsc" dst-path=/flash/powerbox-init.rsc; /system reset-configuration no-defaults=yes run-after-reset=flash/powerbox-init.rsc;'