How To Fix DHANA_CDS_MODEL002 - Incompatible format in &1 Controller Update

SAP Error Message - Details

• Message type: E = Error

• Message class: DHANA_CDS_MODEL - Message Class for CDS Analyzer Model

• Message number: 002

• Message text: Incompatible format in &1 Controller Update

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DHANA_CDS_MODEL002 - Incompatible format in &1 Controller Update ?

  The SAP error message DHANA_CDS_MODEL002 with the description "Incompatible format in &1 Controller Update" typically occurs in the context of SAP HANA and CDS (Core Data Services) views. This error indicates that there is a mismatch in the data format or structure when trying to update a controller, which can happen during data manipulation or when trying to save changes to a CDS view.
  Causes:
  
  Data Type Mismatch: The data types of the fields being updated do not match the expected types defined in the CDS view or the underlying database table.
  Inconsistent Data Structure: The structure of the data being sent to the controller does not align with the structure defined in the CDS model.
  Versioning Issues: If there are changes in the CDS view or the underlying data model that have not been properly activated or synchronized, it can lead to this error.
  Incorrect Mapping: If there are issues with how the fields are mapped between the source data and the target CDS view, it can cause format incompatibility.
  
  Solutions:
  
  Check Data Types: Verify that the data types of the fields being updated match the expected types in the CDS view. Ensure that any transformations or conversions are correctly applied.
  Review CDS View Definition: Look at the definition of the CDS view to ensure that it is correctly defined and activated. If there have been recent changes, make sure to activate the view.
  Data Consistency: Ensure that the data being sent to the controller is consistent with the expected structure. This may involve checking for null values, unexpected data formats, or incorrect field mappings.
  Debugging: Use debugging tools to trace the data flow and identify where the incompatibility occurs. This can help pinpoint the exact field or data causing the issue.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be bug fixes related to this error in newer versions.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Review the official SAP documentation for CDS views and HANA modeling to ensure best practices are being followed.
  Community Forums: Engage with the SAP community forums or support channels to see if other users have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.