SAP Function Module search on FKK_0
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FKK_0350_COLL_CASE_ADD_OR_NEW - Dunning Activity: Include Item in Existing Collection Case or New Case
FKK_0350_COLL_CASE_NEW - Dunning Activity: Create Collection Case
FKK_0395_COLL_CASE_REVERSE - FI-CA Dunning - Sample: Reverse from Dunning History
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