Spotty broken: can't Add Account

>> What Synology model is this? You might need to install the additional
>> "Spotty Legacy Helper" plugin.
>
> It is old :) DS211 CPU Marvell Kirkwood 88F6282.
> I will try the Spotty Legacy Helper plugin.

Yeah, that model is not supported "out of the box". You'll have to
install the legacy helpers. Or get a Raspberry Pi :-).

--

Michael