Current redmine 0.9.6 (as well as 1.0.x) don't work with rails-2.3.8, 2.3.5 is fine. Progress on porting can be watched here: http://www.redmine.org/issues/5603 Please set the dep to =2.3.5. Setting to major as 2.3.8 can lead to db problems in some cases Reproducible: Always
Fixed in cvs.