Content repository is not configured; check the Customizing

What causes this issue?

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

System Response

How to fix this error?

Maintain settings in Customizing for <LS>Attachment Service - Storage
Repository Activation</> under <LS>Cross-Application Components ->
Document Management -> Additional Settings - Simplification.</>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.