How To Fix BA119 - Automatic conversion is not possible for structure &

SAP Error Message - Details

• Message type: E = Error

• Message class: BA - Data Archiving

• Message number: 119

• Message text: Automatic conversion is not possible for structure &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BA119 - Automatic conversion is not possible for structure & ?

  The SAP error message BA119, which states "Automatic conversion is not possible for structure &," typically occurs when there is an issue with data type conversion in ABAP programs, particularly when dealing with structures. This error indicates that the system is unable to automatically convert one structure type to another, which can happen in various scenarios, such as when passing parameters to function modules or methods, or when assigning values between different structures.
  Causes:
  
  Incompatible Structures: The structures involved may have different field types, lengths, or names, making automatic conversion impossible.
  Field Mismatches: If the fields in the structures do not match in terms of data types or lengths, the system cannot perform the conversion.
  Custom Structures: If you are using custom-defined structures, there may be discrepancies in their definitions.
  Implicit Type Conversion: The ABAP runtime environment may not be able to infer how to convert one structure to another due to the complexity of the structures involved.
  
  Solutions:
  
  
  Check Structure Definitions: Review the definitions of the structures involved. Ensure that the fields in both structures match in terms of data types and lengths.
  
  
  Explicit Conversion: Instead of relying on automatic conversion, you can manually map the fields from one structure to another. This can be done using a loop or by assigning each field individually.
  DATA: ls_source TYPE source_structure,
        ls_target TYPE target_structure.
  
  " Manually assign fields
  ls_target-field1 = ls_source-field1.
  ls_target-field2 = ls_source-field2.
  " Continue for all relevant fields
  
  
  Use of MOVE-CORRESPONDING: If the structures have similar field names, you can use the MOVE-CORRESPONDING statement to copy values from one structure to another.
  MOVE-CORRESPONDING ls_source TO ls_target.
  
  
  Check for Type Compatibility: Ensure that the data types of the fields in both structures are compatible. For example, if one field is a character type and the other is a numeric type, you will need to convert them explicitly.
  
  
  Debugging: Use the ABAP debugger to trace where the error occurs and inspect the structures involved to understand the mismatch.
  
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with ABAP data types and how they interact. Understanding the differences between elementary types, structures, and internal tables can help prevent such errors.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to the official SAP documentation for more details on data type conversions and structure handling in ABAP.
  
  By following these steps, you should be able to resolve the BA119 error and ensure that your ABAP code handles structure conversions correctly.