Direct input: Date & is incorrect

What causes this issue?

An error occurred while transferring document data per direct input:
Date &V1& occurs in your batch input file.
This date is incorrect.

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?

Make sure that the date format in your sequential batch input file
corresponds to the format set in your user parameters.

Error message extract from SAP system. Copyright SAP SE.