How To Fix VLA021 - Some selected deliveries already belong to a group in WM

SAP Error Message - Details

• Message type: E = Error

• Message class: VLA - General Output Class for Delivery

• Message number: 021

• Message text: Some selected deliveries already belong to a group in WM

What causes this issue?

A delivery may belong to only one group per warehouse number in WM.

How to fix this error?

If you select the field <LS>Exclude existing groups in WM</>, you can
exclude the deliveries that are already assigned to a group in WM
according to the warehouse number given as a selection criterion. Then,
only deliveries that are not yet assigned to a group in WM for the
chosen warehouse number appear on the list.

Error message extract from SAP system. Copyright SAP SE.