Dimension "density" is missing in Table T006D

What causes this issue?

There is no "density" dimension defined in Table T006D.

System Response

The Quantity Conversion Interface (QCI) stops processing.

How to fix this error?

Maintain the "density" dimension in Table T006D (Transaction CUNI). Use
the entries delivered with IS OIL template client 065 as a blueprint for
this activity.

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.