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Catalina Error

To: dhis2-users <dhis2-users@xxxxxxxxxxxxxxxxxxx>, dhis2-devs <dhis2-devs@xxxxxxxxxxxxxxxxxxx>, DHIS2 system administrators <dhis2-system-administrators@xxxxxxxxxxxxxxxx>
From: gerald thomas <gerald17006@xxxxxxxxx>
Date: Thu, 8 Feb 2018 23:18:31 +0000

Dear All,
I had been receiving these errors in my catalina logs and i don't know how
to fix or correct this error.

* ERROR 2018-02-08 20:54:31,592 ERROR: duplicate key value violates unique
constraint "datavalue_pkey"
  Detail: Key (dataelementid, periodid, sourceid, categoryoptioncomboid,
attributeoptioncomboid)=(1959, 8293416, 1248, 13, 13) already exists.
(SqlExceptionHelper.java [tomcat-http-218])
* ERROR 2018-02-08 20:54:31,593 HHH000346: Error during managed flush
[could not execute statement] (SessionImpl.java [tomcat-http-218])
org.springframework.dao.DataIntegrityViolationException: could not execute
statement; SQL [n/a]; constraint [datavalue_pkey]; nested exception is
org.hibernate.exception.ConstraintViolationException: could not execute
statement


Please can someone help




-- 
Regards,

Gerald