Key date was not updated due to error message

What causes this issue?

The start time of the current account statement is before the
commitment date for the loan. However, no flows could have been created
before the commitment date.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Set the start time to a date that is after or the same date as the
commitment date.

Error message extract from SAP system. Copyright SAP SE.