How To Fix ESH_ENG_CDS_MDE002 - Error reading generated MDE for CDS-entity &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ENG_CDS_MDE - ES-CDS/ABAP: Handling of MDEs

• Message number: 002

• Message text: Error reading generated MDE for CDS-entity &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_ENG_CDS_MDE002 - Error reading generated MDE for CDS-entity &1 ?

  The SAP error message ESH_ENG_CDS_MDE002 typically indicates an issue with reading the generated MDE (Model Data Entity) for a Core Data Services (CDS) entity. This error can arise in the context of SAP's Enterprise Search or when working with CDS views in the ABAP environment.
  Cause:
  
  Missing or Incomplete MDE: The MDE for the specified CDS entity may not have been generated correctly or is missing.
  Authorization Issues: The user may not have the necessary authorizations to access the MDE.
  Data Model Changes: Changes in the underlying data model or the CDS entity itself may lead to inconsistencies.
  Technical Issues: There could be technical issues in the system, such as database inconsistencies or problems with the search index.
  
  Solution:
  
  
  Regenerate MDE: 
  
  Go to the transaction code /IWFND/MAINT_SERVICE and check if the MDE for the CDS entity is generated. If not, regenerate it.
  You can also use the transaction /IWFND/MAINT_SERVICE to check the service and ensure that the MDE is correctly configured.
  
  
  
  Check Authorizations: 
  
  Ensure that the user has the necessary authorizations to access the CDS entity and its MDE. This may involve checking roles and authorizations in the SAP system.
  
  
  
  Review Changes: 
  
  If there have been recent changes to the CDS entity or its underlying data model, review those changes to ensure they are correctly implemented and do not conflict with existing configurations.
  
  
  
  Check System Logs: 
  
  Use transaction SLG1 to check the application logs for any related errors or warnings that might provide more context about the issue.
  
  
  
  Rebuild Search Index: 
  
  If the error is related to search functionality, consider rebuilding the search index. This can often resolve issues related to data inconsistencies.
  
  
  
  Consult SAP Notes: 
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) are a way to define semantically rich data models in SAP. They are used extensively in SAP S/4HANA and other SAP applications.
  MDE (Model Data Entity): MDE is a representation of the data model that is used by the SAP Enterprise Search framework to index and search data.
  Enterprise Search: This is a feature in SAP that allows users to search across various data sources within the SAP landscape.
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.