id,summary,reporter,owner,description,type,status,priority,component,severity,resolution,keywords,cc,release 7450,Error on Upgrade,max@…,Colin Guthrie,"Hi, I'm having trouble after installing the plugin. When I upgrade the project I'm given the error Microsoft Windows [Version 6.1.7600] Copyright (c) 2009 Microsoft Corporation. All rights reserved. C:\Python25\Scripts>trac-admin \projects\it upgrade ClientsPlugin needs an upgrade * Upgrading db Creating client table * Upgrading reports AttributeError: 'NoneType' object has no attribute 'rollback' Any assistance in resolving this issue would be appreciated ",defect,closed,high,ClientsPlugin,major,fixed,,,0.12