Solution : https://service.sap.com/sap/support/notes/575316 (SAP Service marketplace login required)
Key words : 
----->     x'09'      <---------  x'09'x'0a', ----->     x'0a'      <---------  x'25', ascii conversion algorithm, thesame conversion point, potentialfor duplicates caused, heterogenous system copy, duplicate key messages, duplicate records, potential duplicates, key values
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