Hello we have tons of errors in our logs

2021-03-28 10:17:31,318 [error] [Thread-5 ] [dmControllerProcessorImpl] - Exception preparing MDM response for device 94c377b38b4bde77e365c75a320f86f187f86e55
org.springframework.dao.IncorrectResultSizeDataAccessException: query did not return a unique result: 2; nested exception is javax.persistence.NonUniqueResultException: query did not return a unique result: 2

Anyone can Help?