Gizmo,

You were correct.

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Upgrade UBB.threads from a previous version

Version checks:
• Database structure version: 7.7.3
• Script version from database: 7.7.3
• Script version from filesystem: 7.7.4

Continuing will perform the following tasks:
• Upgrade your current version of UBB.threads to UBB.threads 7.7.4.
• Retain your current forum threads, posts, users and other information.

That worked perfectly.

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Upgrade Complete
Congratulations. You have successfully updated to UBB.threads 7.7.4.
For security, please remove the entire install directory.

Thanks!