Ghost update problem

[mjw]

If you search the forum, you’d have found this post.

Problem upgrading to Ghost 5.30 and higher

It’s most likely collation related, where the original posts table has ended up with a different collation than new tables are configured to use. There’s a related thread here with a potential fix, although I haven’t tried it myself Unable to upgrade Ghost from v4.2.0 to v4.3.0 (CASCADE - UNKNOWN_CODE_PLEASE_REPORT) - #56 by jebarjonet The problem is also mentioned in the docs Resolving a misconfigured MySQL database with Ghost - Ghost Developers