& deleted by SAP as &; cannot be used in the proposal

What causes this issue?

The specified include was deleted from the table by SAP.

System Response

The include is removed from the table.

How to fix this error?

If you wish to retain the include in the table, include it in the table
as a <DS:TX.DOKU_RADTBFDS_KUNDENFELD>customer field</>.

Error message extract from SAP system. Copyright SAP SE.