How To Fix SALV_X_API109 - A range's FROM index is larger than its TO index

SAP Error Message - Details

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 109

• Message text: A range's FROM index is larger than its TO index

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_X_API109 - A range's FROM index is larger than its TO index ?

  The SAP error message SALV_X_API109 indicates that there is an issue with the range definition in your ABAP code, specifically that the "FROM" index of a range is larger than its "TO" index. This typically occurs when you are trying to define a range of values or indices incorrectly.
  Cause:
  The error is caused by an attempt to create a range where the starting point (FROM) is greater than the endpoint (TO). This can happen in various scenarios, such as:
  
  When defining a range for a selection table.
  When using the RANGES or SELECT-OPTIONS statement incorrectly.
  When manipulating internal tables or data structures where the indices are not properly set.
  
  Solution:
  To resolve this error, you should:
  
  
  Check the Range Definition: Review the code where the range is defined. Ensure that the FROM value is less than or equal to the TO value. For example:
  DATA: lt_range TYPE RANGE OF i.
  CLEAR lt_range.
  lt_range-sign = 'I'.
  lt_range-option = 'BT'. " Between
  lt_range-low = '10'.
  lt_range-high = '5'. " This will cause the error
  APPEND lt_range.
  In the above example, you should correct the high value to be greater than or equal to the low value.
  
  
  Debugging: If the range values are being set dynamically, use debugging tools to check the values being assigned to the range. Ensure that the logic used to set these values is correct.
  
  
  Validation: Before appending to the range, you can add validation checks to ensure that the FROM index is not greater than the TO index:
  IF lt_range-low <= lt_range-high.
      APPEND lt_range.
  ELSE.
      " Handle the error case
      WRITE: / 'Error: FROM index is greater than TO index'.
  ENDIF.
  
  
  Related Information:
  
  RANGES and SELECT-OPTIONS: These are ABAP constructs used to define ranges of values for selection criteria. Understanding how to use them correctly is crucial to avoid such errors.
  Debugging Techniques: Familiarize yourself with debugging techniques in ABAP to trace variable values and flow of execution, which can help identify where the incorrect values are being set.
  Documentation: Refer to the SAP documentation for more details on the use of ranges and selection options, as well as best practices for error handling in ABAP.
  
  By following these steps, you should be able to identify and correct the cause of the SALV_X_API109 error in your SAP ABAP code.