Yes I did indeed. I should also mention that I installed it on my Ugoos AM6 with exactly the same results. I have it open right now and, under settings I can see that both my RD and Premiumize accounts are set up as OK with details attached.
Nevertheless I’ve cleared the data and started from scratch again. “RD installed; account appears to be working, and then my RD details” -so that would seem to be fine.
Under Express it tells me that 1 package is installed with a code and time/date of installation. So again that suggests that everything has been installed properly. But still “0 links found”.
I also want to say that in checking the Debrid Manager I can see numerous downloaded torrents ( I think??). I think they may be from my RD Cloud. Anyway they appear to play fine. Not sure if that’s in any way relevant