Field in segment & is unknown

What causes this issue?

The system tried to read the ABAP Repository information about field
'&v1&' in structure '&v2&'.

System Response

This information is not available.

How to fix this error?

Please determine whether structure '&v2&' is defined in the ABAP
Repository and whether field '&v1&' occurs in this structure.

Error message extract from SAP system. Copyright SAP SE.