The only time I've seen something similar is when I was engineering from afar, I max'd my gr4 rolls, I had to go to their actual base, and re roll all level 4 rolls before gr 5 opened up.
But I see you're at her base.
I've tried remotely using the pinned blueprint, until they were locked out. I've gone to Broos base, still can't do anything with them. Sent numerous messages back to support, not getting any response.
I basically told them it's ridiculous that I have to start from grade 1 with new modules, when I have 2 grade 4's that were upgraded "through this engineer". Seems to be falling on deaf ears for some reason. It's not hard to see what the issue is, they've been locked from further upgrading, even though there finished grade 4. They just need to be "unlocked" so I can continue to upgrade them. All requirements have been met, they're just sitting there waiting to go to level 5, which I can't do because they're locked, it's a viscous circle.
It's stupid to suggest I start with new modules. I don't need new modules. I need to get the option back to continue upgrading these ones.
It's like taking a Fsd to get upgraded, getting to "finished level 4", but not having the materials to start level 5. Then when you get the materials to carry on at level 5, you find out your existing fsd can't be upgraded any further because it's locked out, and they tell you, you need to start with a new fsd from level 1 again, and when it's up to level 4, again, level 5 will become available. It should be available now.
It's simply stupid to even suggest that as a resolution.