& used in the proposal as &

What causes this issue?

The include occurs in the old version of the table, but is missing from
the new version.

System Response

The include is included in the table as a
<DS:TX.DOKU_RADTBFDS_KUNDENFELD>customer field</>.

How to fix this error?

Carry out the adjustment procedure as specified.

Error message extract from SAP system. Copyright SAP SE.