I just upgraded an SCA site's CMS contents from v2 to v3 using the migration tool. However, I am now receiving multiple ERR_INVALID_INSTANCE_ID errors when entering SMT. The "SMT Core Content Types" bundle was already installed before any of this, and I've already submitted a Cache Invalidation Request. Any insight?

Hi @Caleb Evans, we went through the process of filing a case for this that was eventually turned into Defect 551534 (which unfortunately was assigned U7 priority). I know this isn’t very helpful, but perhaps it will get some more attention if there’s other cases submitted.