I tried that and this is what happened:
Installing the package plesk-billing-plugins-10.13.2-cos5.build1013111018.15.i386
Restarting SWsoft control panels server... not running. [ OK ]
Can't locate HSPC/WebDB.pm in @INC (@INC contains...
I was expecting to be able to update to 10.1 - 10.4 etc but those are not appearing. Any ideas on what could cause the later 10.x versions to not show up? It shows version 11.0.9 but I would prefer to stay in 10 series for now.
Version: Parallels Plesk Panel v10.0.0_build108101004.13 os_CentOS...