Duplicate records in ODS change log

Hi Experts,
I have loaded records from R/3 to ODS (psa and then data target).
Records looks good in ODS active data.
Then I did a delta load from ODS to InfoCube and I have recevied are the changed entries to Cube.
Then, I checked the ODS and the Datamart status was Checked.
But, when I did a delta load again after couple of days from ODS to InfoCube, I received some duplicate records. I have checked the Change Log of ODS and the duplicate records were there.
I am not sure why my ODS is transporting entries from the ODS request for which there was a datamart status already checked.
( I cannot do selective deletion because there are about 1000 duplicate entries and in random order..).
I beleive my best bet would be to:
1. Delete both the delta load requests (the request with correct records and the request with duplicate records) from InfoCube.
2. Remove datamart status from ODS
3. Delta load from ODS to InfoCube
Please let me know if this will solve the issue or I will still get the duplicate records in InfoCube?
Also, do I need to Delete Change log data?

Hi Ramesh,
The entries in Active Data of ODS looks good. No duplicates.
When i checked Change log,
I had entries in ODS change log from two differnent requests.
Request1 (Full repair request via PSA) in ODS (ODSR_xxxx1) has records the same as in R/3
(eg., entry for DocumentA has keyfigure as value +$1000)
Request2 (Delta Load via PSA) in ODS (ODSR_xxxx2) has two records with posive and negative keyfigues
(eg, entries for DocumentA has keyfugure as value +$1000 and DocumentA has keyfugure as value -$1000)
So, not sure if I should call these records as 'duplicates'.
But, I see 3 entries in InfoCube for DocumentA with keyfigure values as +$1000, -$1000 and +$1000.
I beleive the ODS change log should actually cancel the earlier +$1000 and load the new +$1000 entry.
But, it seems to be not replacing the old one.
I hope i am clear.

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Duplicate records in ODS change log

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