How To Fix ACM278 - Trying to delete CTE (view type: &1; column type: '&2')

SAP Error Message - Details

• Message type: E = Error

• Message class: ACM - Message-Class for all ACM functions/exceptions

• Message number: 278

• Message text: Trying to delete CTE (view type: &1; column type: '&2')

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ACM278 - Trying to delete CTE (view type: &1; column type: '&2') ?

  The SAP error message ACM278, which states "Trying to delete CTE (view type: &1; column type: '&2')", typically occurs in the context of SAP's data model or when working with Composite Provider (CP) or Calculation Views in SAP HANA. This error indicates that there is an attempt to delete a Composite Table Expression (CTE) that is not allowed due to its type or the context in which it is being used.
  Cause:
  
  Invalid Deletion Attempt: The error usually arises when there is an attempt to delete a CTE that is either not allowed or does not exist in the current context.
  View Type Issues: The view type specified in the error message may not support deletion or modification in the way that is being attempted.
  Column Type Restrictions: The column type indicated in the error may have restrictions that prevent it from being deleted or modified.
  
  Solution:
  
  Check the View Definition: Review the definition of the Composite Provider or Calculation View to ensure that the CTE you are trying to delete is correctly defined and is not being used elsewhere.
  Modify Instead of Delete: If the intention is to modify the CTE, consider updating the view or the underlying data model instead of attempting to delete it.
  Review Dependencies: Check for any dependencies or references to the CTE in other views or queries. If the CTE is being used, it cannot be deleted until those dependencies are resolved.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling CTEs and the types of views you are working with.
  Use Transaction Codes: If applicable, use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to analyze the data model and identify any issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Version Specifics: Ensure that you are aware of the version of SAP HANA or SAP BW you are using, as behavior may vary between versions.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the context in which the error occurs.