temple bug (destroy rooms in a chain without circle)

Not sure if there was a recent patch in the last 2 days, has encountered multiple different bugs today while trying to build my temple. After closing my temple today, random rooms WITHIN a chain (without any loops) got destroyed for no reason.


Before and after closing the temple. I know there is circle on the right starting point, dropped that sacrificial chamber by accident, but there should not be anyway those corner on the top are destroyed? someone help explain what happened?