/usr/lib/lua/luci/dispatcher.lua:381: Failed to execute cbi dispatcher target for entry '/admin/services/AdGuardHome'.
The called action terminated with an exception:
/usr/lib/lua/luci/model/cbi/AdGuardHome.lua:20: attempt to concatenate global 'port' (a nil value)
stack traceback:
[C]: in function 'assert'
/usr/lib/lua/luci/dispatcher.lua:381: in function 'dispatch'
/usr/lib/lua/luci/dispatcher.lua:95: in function </usr/lib/lua/luci/dispatcher.lua:94>