So not sure when all happened , but my omv 5 server works but updates were not, i have tried lots of things to fix but it got worse on the gui i get the following error "RPC service 'OmvExtras' not found." under the tab show details i get this
(Error #0:
OMV\HttpErrorException: RPC service 'OmvExtras' not found. in /usr/share/php/openmediavault/rpc/rpc.inc:100
Stack trace:
#0 /usr/sbin/omv-engined(537): OMV\Rpc\Rpc::call('OmvExtras', 'getKernelList', Array, Array, 1)
#1 {main})
thanks for any help