Investment support key &1 invalid on &2

What causes this issue?

The asset maintenance date &V2& (this is always the first day of the
fiscal year for the current date) is not in the validity period of &V3&
to &V4& for the investment support key &V1&.

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?

The following possibilities exist:
You have used the wrong investment support key. In this case, correct
your entry.
Investment key &V1& is correct. You can bypass the error message by
pressing ENTER. However, when you post the investment support,
the system will generate another error message, if the asset value
date is not in the validity period.

Error message extract from SAP system. Copyright SAP SE.