Error when clicking "simulate a month passing": "props.transfers.map is not a function"

[phoenixy1]

Whenever I click "simulate a month passing" I reliably get this error.

TypeError: props.transfers.map is not a function
UserTransfers
src/components/UserTransfers.tsx:9
6 | }
7 |
8 | const UserTransfers: React.FC = (props: Props) => {

9 | const tableRows =
10 | props.transfers == null
11 | ? null
12 | : props.transfers.map((transfer, index) => {
View compiled
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initiateTransfer
src/components/TransferForm.tsx:56
53 | itemId,
54 | monthlyPayment
55 | );
56 | props.setTransfers(transfersResponse.data);
| ^ 57 | const paymentsResponse = await addPayment(props.userId, monthlyPayment);
58 | props.setPayments(paymentsResponse.data[0]);
59 | setError(null);

[danielwangai]

Getting the same error. Any update on this?