How To Fix VW231 - All dlvs in shipment & posted for GI, but some were already posted for GI

SAP Error Message - Details

• Message type: E = Error

• Message class: VW - Shipment Processing Output

• Message number: 231

• Message text: All dlvs in shipment & posted for GI, but some were already posted for GI

Goods issue has been posted for all deliveries for which goods issue
could be posted. However, there are some deliveries for which goods
issue has already been posted or which were not relevant for goods
issue.
In this case, the system issues an error message.

Error message extract from SAP system. Copyright SAP SE.