How To Fix CSP_BDEF_CHECK013 - The primary keys of CDS view '&1' and persistent table '&2' differ

SAP Error Message - Details

• Message type: E = Error

• Message class: CSP_BDEF_CHECK - Messages for CSP-implemented BDEF checks

• Message number: 013

• Message text: The primary keys of CDS view '&1' and persistent table '&2' differ

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CSP_BDEF_CHECK013 - The primary keys of CDS view '&1' and persistent table '&2' differ ?

  The SAP error message CSP_BDEF_CHECK013 indicates that there is a mismatch between the primary keys of a Core Data Services (CDS) view and the underlying persistent table it is based on. This can occur during the activation or usage of the CDS view when the system checks for consistency between the view and the table.
  Cause:
  
  
  Primary Key Mismatch: The primary key defined in the CDS view does not match the primary key of the underlying database table. This can happen if:
  
  The CDS view was created or modified without aligning the primary key with the table.
  The underlying table's structure has changed (e.g., columns added or removed) without updating the CDS view accordingly.
  The CDS view is based on multiple tables, and the key fields are not properly defined.
  
  
  
  Incorrect Annotations: The annotations in the CDS view may not correctly reflect the primary key fields of the underlying table.
  
  
  Solution:
  
  
  Check the Primary Keys:
  
  Review the definition of the CDS view and the underlying table to ensure that the primary keys match. You can do this by checking the @Key annotations in the CDS view and comparing them with the primary key fields in the database table.
  
  
  
  Modify the CDS View:
  
  If there is a mismatch, you will need to modify the CDS view to ensure that the primary key fields are correctly defined. This may involve adding or removing fields in the @Key annotation.
  
  
  
  Adjust the Underlying Table:
  
  If the underlying table has changed and the CDS view is still valid, you may need to adjust the table structure or create a new CDS view that aligns with the current table structure.
  
  
  
  Re-activate the CDS View:
  
  After making the necessary changes, re-activate the CDS view to ensure that the changes take effect.
  
  
  
  Check for Dependencies:
  
  If the CDS view is used in other objects (like OData services, reports, etc.), ensure that those dependencies are also checked and updated if necessary.
  
  
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) is a framework for defining and consuming semantically rich data models in SAP. It allows for the creation of views that can be used in various applications.
  Primary Keys: In database design, a primary key is a unique identifier for a record in a table. It is crucial for ensuring data integrity and for establishing relationships between tables.
  SAP Notes and Documentation: For further troubleshooting, you can refer to SAP Notes or the official SAP documentation related to CDS views and database table definitions.
  
  If you continue to face issues after following these steps, consider reaching out to your SAP support team or consulting the SAP Community for additional assistance.