Redmine

Hello Team

When i am integrating one of the redmine project with svn i got Error like this

Please help me

ERROR LOG:

ActiveRecord::StatementInvalid (Mysql::Error: Duplicate entry '98-989' for key 'changesets_repos_rev': INSERT INTO `changesets` (`committer`, `committed_on`, `repository_id`, `revision`, `user_id`, `commit_date`, `scmid`, `comments`) VALUES):
app/models/repository/subversion.rb:67:in `fetch_changesets'
app/models/repository/subversion.rb:66:in `fetch_changesets'
app/models/repository/subversion.rb:65:in `reverse_each'
app/models/repository/subversion.rb:65:in `fetch_changesets'
app/controllers/repositories_controller.rb:92:in `show'
passenger (3.0.11) lib/phusion_passenger/rack/request_handler.rb:96:in `process_request'
passenger (3.0.11) lib/phusion_passenger/abstract_request_handler.rb:513:in `accept_and_process_next_request'
passenger (3.0.11) lib/phusion_passenger/abstract_request_handler.rb:274:in `main_loop'
passenger (3.0.11) lib/phusion_passenger/classic_rails/application_spawner.rb:321:in `start_request_handler'
passenger (3.0.11) lib/phusion_passenger/classic_rails/application_spawner.rb:275:in `send'
passenger (3.0.11) lib/phusion_passenger/classic_rails/application_spawner.rb:275:in `handle_spawn_application'
passenger (3.0.11) lib/phusion_passenger/utils.rb:479:in `safe_fork'
passenger (3.0.11) lib/phusion_passenger/classic_rails/application_spawner.rb:270:in `handle_spawn_application'
passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:357:in `__send__'
passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:180:in `start'
passenger (3.0.11) lib/phusion_passenger/classic_rails/application_spawner.rb:149:in `start'
passenger (3.0.11) lib/phusion_passenger/spawn_manager.rb:219:in `spawn_rails_application'
passenger (3.0.11) lib/phusion_passenger/abstract_server_collection.rb:132:in `lookup_or_add'
passenger (3.0.11) lib/phusion_passenger/spawn_manager.rb:214:in `spawn_rails_application'
passenger (3.0.11) lib/phusion_passenger/abstract_server_collection.rb:82:in `synchronize'
passenger (3.0.11) lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
passenger (3.0.11) lib/phusion_passenger/spawn_manager.rb:213:in `spawn_rails_application'
passenger (3.0.11) lib/phusion_passenger/spawn_manager.rb:132:in `spawn_application'
passenger (3.0.11) lib/phusion_passenger/spawn_manager.rb:275:in `handle_spawn_application'
passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:357:in `__send__'
passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
passenger (3.0.11) helper-scripts/passenger-spawn-server:99

Rendering /mnt/redmine/home/redmine/redmine/public/500.html (500 Internal Server Error)

also can you Please tell me how the duplicate Id occur??

Thanks