id,summary,reporter,owner,description,type,status,priority,component,severity,resolution,keywords,cc,release 1210,Discussion doesn't work with Timeline - SQL Error,fungbat@…,Radek Bartoň,"If the ""Discussion Changes"" is turned on on the Timeline, the following error will occur: {{{ Discussion changes event provider (DiscussionTimeline) failed: ProgrammingError: column ""forum.name"" must appear in the GROUP BY clause or be used in an aggregate function }}} The log file from Postgres looks like this: {{{ ERROR: column ""forum.name"" must appear in the GROUP BY clause or be used in an aggregate function STATEMENT: SELECT t.id, t.subject, t.author, t.time, t.forum, f.name FROM topic t LEFT JOIN (SELECT name, id FROM forum GROUP BY id) f ON t.forum = f.id WHERE time BETWEEN 1168959599.0 AND 1171637999.0 }}} I am using Trac 0.10.3, Postgres 8.2.1 ",defect,closed,normal,DiscussionPlugin,normal,fixed,,,0.10