How To Fix W8126 - Element & is not the specified table element &

SAP Error Message - Details

• Message type: E = Error

• Message class: W8 - Workflow: Expressions, data flow

• Message number: 126

• Message text: Element & is not the specified table element &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message W8126 - Element & is not the specified table element & ?

  Certainly! Here's a detailed explanation for SAP error message W8126:
  
  SAP Message W8126:
  "Element & is not the specified table element &"
  
  Cause:
  This warning occurs when you try to assign or compare a data object (variable, field, or structure component) that does not belong to the specified table type or table element type.
  In other words, the system expects a certain table element type (line type) but the element you are using is of a different type.
  For example, if you have an internal table declared as:
  DATA: itab TYPE TABLE OF mara.
  and you try to assign or compare an element of type makt (material description) to a line of itab, the system will raise this warning because makt is not the specified table element mara.
  
  When does it typically occur?
  
  When using LOOP AT, READ TABLE, APPEND, or INSERT statements where the work area or line type does not match the internal table's line type.
  When assigning or comparing fields or structures that are not compatible with the expected table line type.
  When using field symbols or data references pointing to incompatible types.
  
  
  Solution:
  
  Check the data types: Ensure that the work area or field symbol you use matches the line type of the internal table exactly.
  Use compatible types: If you want to use a different structure, either redefine the internal table or convert the data explicitly.
  Use proper declarations: For example, if your internal table is declared as TABLE OF mara, your work area should be declared as mara or compatible structure.
  Type casting or conversion: If necessary, convert the data before assignment or comparison.
  
  
  Example:
  DATA: it_mara TYPE TABLE OF mara,
        wa_mara TYPE mara,
        wa_makt TYPE makt.
  
  wa_makt = ... " some assignment
  
  " This will cause W8126 because wa_makt is not of type mara
  APPEND wa_makt TO it_mara. " Warning W8126
  Correct approach:
  APPEND wa_mara TO it_mara.
  Or if you need to convert:
  wa_mara-matnr = wa_makt-matnr.
  " Assign other compatible fields as needed
  APPEND wa_mara TO it_mara.
  
  Related Information:
  
  Message Class: W8 (Table handling)
  Message Number: 126
  This is a warning, not an error, so the program will continue but it indicates a potential data inconsistency or programming mistake.
  Check the ABAP documentation on internal tables and data types for more details.
  Use DESCRIBE TABLE and TYPE statements to verify data types during debugging.
  
  
  If you want, I can help you with a specific code snippet or scenario where you encountered this message!