Error Checking for Update While Updating Roon Server Version 2.0 (ref#SE3LPB)

Probably same issue and solution as here with woefully outdated Merging devices that are missing current certificates:

Note that the device you are trying to update has Roon OS Build 183 from November 2019 (Roon OS Release Notes), so even older than the 2 years the device was in storage, but current is Build 259: