How To Fix USMD6023 - Key field &1 missing in transfer structure for download or upload

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD6 - Messages for Data Transfer

• Message number: 023

• Message text: Key field &1 missing in transfer structure for download or upload

What causes this issue?

Before you can execute the upload or download, you need to copy all key
fields of the entity type into the transfer structure.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the field selection for the transfer structure.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.