Check that you don’t have two different version installed. I had a similar issue to this and I uninstalled all of the RIR plugins (I had two installed, an old one and a newer one) then installed the newest one from the website.
Check that you don’t have two different version installed. I had a similar issue to this and I uninstalled all of the RIR plugins (I had two installed, an old one and a newer one) then installed the newest one from the website.