No format descriptions exist for structure &1 in this file

What causes this issue?

The archive file currently being read contains data on structure &V1&.
There is no format description in the header of the archive file for
this structure.

System Response

The Archive Development Kit (ADK) cannot read the data for this
structure.

How to fix this error?

Report this information to SAP.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.