i have the same problem, nothing works, alltime plugin to old.
but i think the error comes from real-debrid, not JD. in their forum
more user have this problem. i am sure (99%) tomorrow works all fine again.

but here my logfile...
04.07.16 18.57.31 <--> 04.07.16 18.57.48 jdlog://7986135891641