Seeded AP Invoice distrbution description rule using same source twice

Summary:

Found that seeded AP description rule contains the same source invoice distribution description twice, which duplicates the description in subledger tables/journals

Client is using seeded description rule, seeded Accounting method, seeded Journal Entry Rule SeT, ETC

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26B

Code Snippet (add any code snippets that support your topic, if applicable):

Why Oracle duplicated the source in description details?