The BOM deletion flag for material &1 has been cancelled

What causes this issue?

In a previous dialog step, you deleted the bill of material (BOM) for
the material &V1&. You now want to process the BOM again.

System Response

The system has cancelled the internal deletion indicator for the BOM.

How to fix this error?

If you are sure you want to delete the BOM, you must delete it again at
the end of this dialog step. Otherwise, you can continue to process the
BOM as required.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.