Date incomplete. Complete the date or remove it altogether

What causes this issue?

The start/finish date specifications for the interest run are
incomplete.

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

Specify a period and a fiscal year.
&ADDITIONAL_HINTS&
By specifying a data, you are restricting the period for which planned
interest is calculated, thereby improving interest run performance.
The date is not a required entry for the planned interest run.

Error message extract from SAP system. Copyright SAP SE.