Missing setup information for operation/phase &1 for order &1

What causes this issue?

Operation/phase &V1& of order &V2& has the setup information
&V3& in SAP R/3. In SAP APO no corresponding setup information exists
in the master data.

System Response

The setup information cannot be transferred from SAP R/3.

How to fix this error?

Generally, you are recommended to keep your setup information
consistent. Therefore, check the setup information in the corresponding
master data in SAP APO and reactivate the queue.
<DS:TRAN./SAPAPO/CDPSC6>Maintain Setup Group in SAP APO</>
<DS:TRAN./SAPAPO/CDPS_SETUP>Maintain Setup Matrix in SAP APO</>
If you do not want to transfer the setup information, delete the
incorrect queue, remove the setup information from the operation/phase
in SAP R/3 and transfer the order again.

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.