#12663 ([PATCH]: Exception during database upgrade) – Trac Hacks - Plugins Macros etc.
This is a problem with the TracGenericClass plugin.
There is no upgrade script available and the exception happens while creating the message string for the raise TracError() call.
14:47:39 Trac[model] DEBUG: No need to create database for class 'peerreview'.
14:47:39 Trac[model] INFO: Need to update db tables for class 'peerreview'.
14:47:39 Trac[model] INFO: Upgrading DB for class 'peerreview'.
The upgrade failed. Please fix the issue and try again.
upgrades/db_<schema>_<N>.py, where 'N' is the version number (int).
Fix possible exception durin environment upgrade if upgrade script isn't available.
Included in release 1.9.1 now available from SourceForge.