As seen here: (emphasis mine)
migrated from meta.gaming.stackexchange.com just now
This question came from our site for passionate videogamers on all platforms.
This has been addressed. I'll just copy Geoff Dalgas's answer from MSO:
When questions are migrated from a meta site the migration text will now read:
This question came from our discussion, support, and feature requests site for audience.
This will be in after the next deploy.
This is actually a long-standing bug that has been reported - because you'll also get this error if you, say, migrate from a meta site to its own main site, which has a slight weirdness to it (since main -> meta migrations don't sport that weirdness).
This is currently low-ish priority.