Hello,
Check if Flow types and Conditon types are assigned to your product and transaction type. If not - make the assignment as you see on screenshot below.
IMG -> Financial Supply Chain Management -> Treasury and Risk Management -> Transaction Manager -> Money Market -> Transaction Management -> Flow Types -> Assign Flow Types to Transaction Type (tr. S_ALR_87007871)
IMG -> Financial Supply Chain Management -> Treasury and Risk Management -> Transaction Manager -> Money Market -> Transaction Management -> Condition Types -> Assign Condition Types to Transaction Type (tr. S_ALR_87007827)