Redmine

ref url :: http://dev.backpackholic.tv/

I'm install and uninstall some plugins.
But I can't use remdine system.

show below messages
undefined method `initialize_schema_information' for module `ActiveRecord::ConnectionAdapters::SchemaStatements'

if you've some time, connect to this url http://dev.backpackholic.tv/

I can't find source this problem.