Library / Financial Domain Modeling Principles Framework
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FDM.2:8 - Common Anti-Patterns and How to Avoid Them

Funding X by summing X and Y. Recover the relation and event that make Y’s resources usable for X’s payment.

Reading a guarantee as cash in advance. Use the actual trigger, beneficiary and payment conditions. The guarantee may answer a recovery question while leaving the immediate funding question open.

Rejecting a useful risk group because its members are separate debtors. Keep the debtor accounts and model the shared exposure for the risk use that needs it.