How To Fix DT175 - It was derived from read view &. Write class cannot be referenced

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 175

• Message text: It was derived from read view &. Write class cannot be referenced

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT175 - It was derived from read view &. Write class cannot be referenced ?

  The SAP error message DT175, which states "It was derived from read view &. Write class cannot be referenced," typically occurs in the context of ABAP programming when there is an attempt to modify data in a way that is not allowed due to the nature of the data view being used.
  Cause:
  
  Read-Only View: The error indicates that the operation is trying to write to a data structure that is derived from a read-only view. In SAP, certain views are defined as read-only, meaning they are intended only for data retrieval and not for data modification.
  Incorrect Use of Data Classes: The error can also arise if there is an attempt to use a write class (which allows data modification) in a context where only a read class (which does not allow modification) is applicable.
  Data Model Constraints: The underlying data model may have constraints that prevent writing to certain fields or tables based on the view being used.
  
  Solution:
  
  Check the View Definition: Review the definition of the view from which you are trying to read data. Ensure that it is not a read-only view if you intend to perform write operations.
  Use Appropriate Data Classes: If you need to modify data, ensure that you are using a write-enabled class or structure. You may need to create or use a different view that allows for data modification.
  Modify the Logic: If the logic of your program requires writing to a read-only view, consider redesigning the logic to either:
  
  Use a different view that allows writing.
  Retrieve the data from the read-only view, modify it in a separate structure, and then write it back to the database using appropriate methods.
  
  
  Consult Documentation: Refer to SAP documentation or the data model documentation for the specific tables and views you are working with to understand their constraints and intended usage.
  
  Related Information:
  
  ABAP Programming: Understanding the differences between read and write classes in ABAP is crucial. Familiarize yourself with the concepts of data dictionary objects, views, and their properties.
  SAP Notes and Community: Check SAP Notes for any known issues or updates related to this error. The SAP Community forums can also be a valuable resource for troubleshooting and finding solutions from other developers who may have encountered similar issues.
  Debugging: Use the ABAP debugger to trace the execution of your program and identify where the error occurs. This can help you understand the context in which the read-only view is being accessed.
  
  By following these steps, you should be able to resolve the DT175 error and ensure that your ABAP program functions as intended.