Company code & is productive - deletion not possible

What causes this issue?

Company code &v1& has been set as productive. Data of a productive
company code cannot be deleted.

System Response

No processing - error message

How to fix this error?

Check your entries and the entries for company code &v1&
<DS:TRAN.OBR3>Proceed</>.

Error message extract from SAP system. Copyright SAP SE.