How To Fix USMD1540 - Data model &1, entity type &2, attribute &3: Data element type is invalid

USMD1540 - Overview

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 540

• Message text: Data model &1, entity type &2, attribute &3: Data element type is invalid

What causes this issue?

The data element defined for this attribute must fulfill the following
prerequisities:
Data type INT8 cannot be used
The type of the data element &V3& does not fulfill these prerequisities.

System Response

The data model cannot be saved or activated.

How to fix this error?

Specify a data element that fulfills the relevant prerequisites.

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.

USMD1540 - Details

• The SAP error message USMD1540 typically indicates that there is an issue with the data model configuration in the SAP system, specifically related to the data element type of an attribute in a certain entity type. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  
  Cause:
  
  
  Invalid Data Element Type: The error suggests that the data element type defined for a specific attribute in the data model is not valid. This could be due to:
  
  The data element not being defined in the system.
  The data element being incorrectly configured or deleted.
  The data type of the attribute not matching the expected type for the entity.
  
  
  
  Model 
  Configuration Issues: There may be inconsistencies in the data model configuration, such as incorrect mappings or relationships between entities.
  
  
  Transport Issues: If the data model was transported from one system to another, there may have been issues during the transport process that led to missing