ошибка при старте TS

Здравствуйте.
TrackStudio 5.0.4.20150213
org.quartz.ObjectAlreadyExistsException: Unable to store Job : 'DEFAULT.job scheduler example', because one already exists with this identification.
TrackStudio 5.0.4.20150213
org.quartz.ObjectAlreadyExistsException: Unable to store Job : 'DEFAULT.job scheduler example', because one already exists with this identification.