System error: Value assignment in display mode

What causes this issue?

An internal error has occurred.

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?

INCLUDE 'NA_SYSVERW' OBJECT DOKU ID TX LANGUAGE E
INCLUDE 'NA_SYSVW_HINW' OBJECT DOKU ID TX LANGUAGE E
A characteristic has been assigned even though the dynamic database is
in the display mode.

Error message extract from SAP system. Copyright SAP SE.