How To Fix USMD1038 - Data model &1: Valid entity type in attribute is inconsistent: &2/&3

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 038

• Message text: Data model &1: Valid entity type in attribute is inconsistent: &2/&3

What causes this issue?

The error might have occurred for one of the following reasons:
The entity type &V2& or the additional entity type &V3& is <ZH>not</>
defined.
The entity type &V2& is the same as the additional entity type &V3& and
the hierarchy usage is #Hierarchy Name#.
The entity type &V2& is not defined with the
<DS:DE.USMD_USAGE_TYPE>storage and use type</> <LS>1</>.
A hierarchy is <ZH>not</> allowed to be set up for the entity type.
The additional entity type &V3& is defined with storage and use type
<LS>4</> or <LS>1</> without a data element.

System Response

The data model cannot be saved or activated.

How to fix this error?

Identify the error based on the above mentioned possible causes and
change the settings accordingly.

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.