Hello Ignacio..
I have already settled transaction number 10290 for which I am doing THMMM.
Please find screen shot for PLAN002 in TCODE THMEX. I didn't do any setting in SPRO, for PLAN002. I hope there is no setting in SPRO for creating hedge plan.
Further I am attaching screen shots for Transaction type and flow type (for final repayment).
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Deepak