How To Fix CSP_BDEF_CHECK021 - Field '&1' of CDS view '&2' must be named '&3' as in the persistent table

CSP_BDEF_CHECK021 - Overview

• Message type: E = Error

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

• Message number: 021

• Message text: Field '&1' of CDS view '&2' must be named '&3' as in the persistent table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CSP_BDEF_CHECK021 - Field '&1' of CDS view '&2' must be named '&3' as in the persistent table ?

  The SAP error message CSP_BDEF_CHECK021 indicates that there is a mismatch between the field names defined in a Core Data Services (CDS) view and the corresponding field names in the underlying persistent table. This error typically arises during the activation of a CDS view when the field names do not align as expected.
  
  Cause:
  The error occurs due to one of the following reasons:
  
  Field Name Mismatch: The field name in the CDS view does not match the field name in the underlying database table. This could be due to a typo or a change in the database schema that was not reflected in the CDS view.
  Inconsistent Naming Conventions: If the naming conventions for fields in the CDS view and the database table are not consistent, this error may arise.
  Changes in the Underlying Table: If the underlying table has been modified (e.g., fields added, renamed, or removed) after the CDS view was created,