How To Fix ESH_ENG_CDS_ABAP001 - &1: Unique model ID cannot be derived

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ENG_CDS_ABAP - ES-CDS/ABAP

• Message number: 001

• Message text: &1: Unique model ID cannot be derived

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_ENG_CDS_ABAP001 - &1: Unique model ID cannot be derived ?

  The SAP error message ESH_ENG_CDS_ABAP001 with the description "Unique model ID cannot be derived" typically occurs in the context of SAP's Enterprise Search or when working with Core Data Services (CDS) views. This error indicates that the system is unable to determine a unique identifier for a model, which is necessary for processing or executing the search or data retrieval operation.
  Causes:
  
  Missing or Incorrect Model Configuration: The model may not be properly configured, or there may be missing attributes that are required to derive a unique ID.
  Duplicate Entries: There may be duplicate entries in the underlying data that prevent the system from identifying a unique record.
  Inconsistent Data: The data in the database may be inconsistent or corrupted, leading to issues in deriving a unique identifier.
  CDS View Definition Issues: The CDS view may not be defined correctly, lacking the necessary annotations or keys that would allow for a unique identification.
  
  Solutions:
  
  Check Model Configuration: Review the configuration of the model in the SAP system. Ensure that all required fields and attributes are correctly defined and that there are no missing elements.
  Review Data for Duplicates: Check the underlying data for duplicates. You can run queries to identify any duplicate records that may be causing the issue.
  Validate CDS View Definition: Ensure that the CDS view is defined correctly. Check for the presence of the @AbapCatalog.sqlViewName annotation and ensure that the primary key is correctly specified.
  Data Consistency Check: Perform a data consistency check to ensure that the data in the database is not corrupted. This may involve running specific SAP transactions or reports designed to check data integrity.
  Debugging: If you have access to the ABAP development environment, you can debug the code to identify where the unique ID derivation is failing. This may provide insights into what is causing the issue.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP you are using. There may be known issues or patches available that address this error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message ID in the SAP Support Portal.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Help Portal: Review the SAP Help Portal for documentation on Enterprise Search and CDS views to ensure you are following best practices in your implementation.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.