Extractor 2lis_17_notif getting blank date in BW but data was there in R/3
We are facing a problem when reconstructing a cube data for notifications.
When a delta extraction was done to get the deltas for notifications, the SAP standard 2LIS_17_I0NOTIF extractor, pulled in a set of records.
It is expected that for a notification, the creation is indicated by a blank data in the "Changed on" field. Hence theorotically, there should be only one record in the PSA which is having a blank 'changed on' date. But in my case, there is one( and only one) notification which has got 2 records in the PSA with a blank 'changed on' date.
For some reason the extractor did not extract this field and now the Key figures in BW is incorrect due to this.
Can anyone help me understand why did this happen? Why is there a mis match in the data between R/3 and BW?