How To Fix SALV_X_API099 - Line has not the required type

SAP Error Message - Details

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 099

• Message text: Line has not the required type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_X_API099 - Line has not the required type ?

  The SAP error message SALV_X_API099: Line has not the required type typically occurs when working with the SAP ALV (ABAP List Viewer) framework, particularly when using the SALV (Simple ALV) classes. This error indicates that there is a mismatch between the expected data type of a line in the internal table and the type defined in the ALV structure.
  Cause:
  
  Data Type Mismatch: The internal table you are trying to display in the ALV does not match the expected structure or data type defined in the ALV configuration.
  Incorrect Field Definitions: The fields in the internal table may not correspond correctly to the fields defined in the ALV layout.
  Improper Initialization: The internal table may not be properly initialized or populated with the correct data types before being passed to the ALV display method.
  
  Solution:
  
  
  Check Data Types: Ensure that the internal table you are using has the correct structure and data types that match the ALV definition. You can do this by comparing the field types in the internal table with those expected by the ALV.
  
  
  Define Structure Correctly: If you are using a custom structure, make sure that it is defined correctly in the ABAP Dictionary (SE11) and that it matches the expected types in the ALV.
  
  
  Use Correct ALV Methods: When creating the ALV, ensure you are using the correct methods to set the data. For example, if you are using CL_SALV_TABLE, make sure to use the set_data() method correctly.
  
  
  Debugging: Use the ABAP debugger to inspect the internal table just before it is passed to the ALV. Check the types and values of the fields to ensure they are as expected.
  
  
  Example Code: Here is a simple example of how to set up an ALV with a proper internal table:
  DATA: lt_data TYPE TABLE OF your_structure,
        lo_alv  TYPE REF TO cl_salv_table.
  
  " Populate lt_data with your data
  " ...
  
  " Create ALV
  cl_salv_table=>factory(
    IMPORTING
      r_salv_table = lo_alv
    CHANGING
      t_table      = lt_data ).
  
  " Display ALV
  lo_alv->display( ).
  
  
  Related Information:
  
  ALV Documentation: Refer to the SAP documentation for the ALV framework for more details on how to properly set up and use ALV.
  SAP Notes: Check SAP Notes for any known issues or updates related to the SALV framework.
  Community Forums: Consider searching or asking in SAP community forums (like SAP Community or Stack Overflow) for similar issues and solutions shared by other developers.
  
  By ensuring that the internal table structure matches the expected types and properly initializing your data, you should be able to resolve the SALV_X_API099 error.