How To Fix APS_CKE_PARSER044 - CDS view of DDL &1 is invalid.

SAP Error Message - Details

• Message type: E = Error

• Message class: APS_CKE_PARSER - CDS Key user tool - AST handler messages

• Message number: 044

• Message text: CDS view of DDL &1 is invalid.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message APS_CKE_PARSER044 - CDS view of DDL &1 is invalid. ?

  The SAP error message APS_CKE_PARSER044 indicates that there is an issue with a Core Data Services (CDS) view, specifically that the view's definition is invalid. This can occur for several reasons, including syntax errors, missing dependencies, or issues with the underlying database objects.
  Causes:
  
  Syntax Errors: There may be a typo or incorrect syntax in the CDS view definition.
  Missing Dependencies: The CDS view may reference other views, tables, or fields that do not exist or have been changed.
  Incompatible Data Types: If the view is trying to combine fields of incompatible data types, it can lead to invalid definitions.
  Authorization Issues: The user may not have the necessary authorizations to access the underlying objects.
  Database Issues: There may be issues with the underlying database that prevent the view from being activated or executed.
  
  Solutions:
  
  Check Syntax: Review the CDS view definition for any syntax errors. Use the ABAP Development Tools (ADT) in Eclipse or the SAP GUI to check for errors.
  Validate Dependencies: Ensure that all referenced objects (tables, views, fields) exist and are accessible. If any dependencies have been changed or deleted, update the CDS view accordingly.
  Data Type Compatibility: Verify that all fields being used in the view are compatible in terms of data types.
  Authorization Check: Ensure that the user has the necessary authorizations to access the objects referenced in the CDS view.
  Re-activate the View: Sometimes, simply reactivating the CDS view can resolve the issue. You can do this in the ABAP Development Tools or the SAP GUI.
  Check for Transport Issues: If the CDS view was transported from another system, ensure that all dependent objects were also transported correctly.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to view and edit CDS views.
  CDS Annotations: Familiarize yourself with CDS annotations, as they can affect the behavior and validity of the view.
  SAP Notes: Check for any relevant SAP Notes that might address known issues with CDS views or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation on Core Data Services for best practices and guidelines on creating and managing CDS views.
  
  If the issue persists after checking these areas, consider reaching out to your SAP Basis or development team for further assistance.