Selection of vendor account groups is invalid

What causes this issue?

The checks that are performed during the preparation of the selected
vendor account groups to create the <ZK>Customer/Vendor Integration
(CVI) </>Customizing have deleted your selection of account groups.

System Response

The harmonization report
<DS:RE.MDG_BS_SUPPL_HARM>MDG_BS_SUPPL_HARM</> will not create any CVI
Customizing for account groups.

How to fix this error?

Check the messages in the report log.
Identify and resolve the issues related to the selected vendor account
groups.
Restart the report.

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.