How To Fix SO390 - Error expanding private distribution lists

SAP Error Message - Details

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 390

• Message text: Error expanding private distribution lists

What causes this issue?

A private distribution list contained in the list could not be
expanded.

System Response

The shared distributuion list cannot be saved, as it still contains
private distribution lists.

How to fix this error?

To save the shared distribution list, please delete the private
distribution lists it contains.

Error message extract from SAP system. Copyright SAP SE.