BOM cannot be deleted on & with change number &

What causes this issue?

You want to delete the BOM with reference to change number &V2&. The
valid-from date defined in the change master is &V1&.

System Response

As the BOM becomes valid on this precise date, you cannot delete the
BOM with the change number &V2&.

How to fix this error?

If you want to delete the BOM you have the following options:
Delete the BOM with a different change number on a later key date.
In the BOM header, set the <DS:DE.LOKNZ>Deletion flag</> indicator.
During the next archiving run the BOM will be archived and if required,
deleted from the database.

Error message extract from SAP system. Copyright SAP SE.