" Error Code
You will return to the Sanctuary"
Apparently when opening a new map it doesn't happen, I've also tried with the same new just opened map, with all stripped and nothing inside.
Thank you for taking the time to report this issue. This problem has already been reported and it's currently under review.
Same here, annoyingly with my current work-in-progress base (Brinkley, dreadshore location, also the first to make use of the new dreadshore blocks). I was able to open my old complete bases fine (all pre-Dreadshore aside from some recent laser additions) to tweak trap mods for the new capacity cost changes though, plus my testing ground map and a couple of empty sites (including a dreadshore location one).
I've been having this issue too. It comes at a particularly bad time since I'm trying to get a screenshot for the Pantheon of Builders
Turns out it doesnt just apply to opening your own bases, it applies to trying to do a raid too. Hope they fix this soon, it's making the game basically unplayable.
According to the Reddit thread it's something to do with the season 0 rank decals. I do have some in my WIP base that won't load, so it follows.