How To Fix USMD1155 - Entity type &1 does not exist in active data model

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 155

• Message text: Entity type &1 does not exist in active data model

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1155 - Entity type &1 does not exist in active data model ?

  The SAP error message USMD1155 indicates that the system is unable to find the specified entity type in the active data model. This typically occurs in the context of SAP Master Data Governance (MDG) when working with data models and entities.
  Cause:
  
  Entity Not Defined: The entity type specified in the error message does not exist in the active data model. This could be due to a typo in the entity name or the entity not being created or activated in the data model.
  Inactive Data Model: The data model that includes the entity type may not be active. If the data model is inactive, the system will not recognize any of its entities.
  Configuration Issues: There may be issues with the configuration of the data model or the entity types, such as missing or incorrect settings.
  
  Solution:
  
  Check Entity Definition: Verify that the entity type specified in the error message is correctly defined in the data model. You can do this by navigating to the data model configuration in the SAP MDG application.
  Activate Data Model: Ensure that the data model containing the entity type is active. You can activate the data model through the MDG configuration settings.
  Correct Typos: Double-check for any typos in the entity name that might have led to the error.
  Review Configuration: Go through the configuration settings for the data model and the entity types to ensure everything is set up correctly.
  Transport Issues: If the data model was recently transported from another system, ensure that all necessary objects were included in the transport and that they were imported correctly.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MDGIMG to access the MDG configuration settings and check the data model.
  Documentation: Refer to SAP Help documentation for Master Data Governance for detailed information on data models and entity types.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance related to this error message.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.