Welcome to the club, there has been multiple posts about this but there has been no answers from mods. Only speculation from the community. Potentially will rotate interference today but no one is sure. Which sucks cause a lot of people (myself included) are missing one or did the encounter yet it did not check off. Keep an eye out today, maybe it'll rotate. I'm in the same boat so best of luck to ya also, may Bungie hear our prayers lol. Could simply just rotate the interference mission each day like they do most other things but unlikely just cause that's a logical fix and the nokris encounter is needed for the seal also...