Issue with re-assignment of Inventory Org

Summary

we are planning to re-assign the above mentioned 40 inventory organizations to the newly created BU. ( to avoid creation of 40 inventory orgs for the new BU )

Content

Hi there

We are involved in a project to copy one BU to another newly created BU.
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We got 40 inventory organizations under the existing BU and has got around 400 opens POs under the existing BU
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In order to ease the migration , we are planning to re-assign the above mentioned 40 inventory organizations to the newly created BU. ( to avoid creation of 40 inventory orgs for the new BU )

( we open Manage Inventory organizations and change the Change the Management Business Unit to newly created BU , Change the LE to newly created LE and all such relevant parameters will change ).