How To Fix RSSDA124 - Field &1: Function TO_ALPHANUM supports a maximum of 127 characters

SAP Error Message - Details

• Message type: E = Error

• Message class: RSSDA - BW HANA Smart Data Access

• Message number: 124

• Message text: Field &1: Function TO_ALPHANUM supports a maximum of 127 characters

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSSDA124 - Field &1: Function TO_ALPHANUM supports a maximum of 127 characters ?

  The SAP error message RSSDA124 indicates that a specific field is attempting to use the TO_ALPHANUM function with a string that exceeds the maximum allowed length of 127 characters. This function is typically used to convert a string to an alphanumeric format, but it has a limitation on the number of characters it can process.
  Cause:
  The error occurs when:
  
  A field in your data contains more than 127 characters.
  The TO_ALPHANUM function is applied to this field, leading to the error message.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Input Data: Identify the field that is causing the issue. You can do this by reviewing the data being processed when the error occurs. Look for any fields that exceed 127 characters.
  
  
  Truncate the Data: If the data in the field is not critical beyond the first 127 characters, you can truncate the string to fit within the limit. This can be done using string manipulation functions in your ABAP code or wherever the data is being processed.
  Example in ABAP:
  DATA(lv_string) = 'Your long string here'.
  IF strlen( lv_string ) > 127.
    lv_string = lv_string+0(127). " Truncate to 127 characters
  ENDIF.
  
  
  Modify the Logic: If truncating the data is not acceptable, consider modifying the logic of your program to handle longer strings. This might involve:
  
  Storing the data in a different format or field that can accommodate longer strings.
  Splitting the data into multiple fields or records if necessary.
  
  
  
  Review Documentation: Check the SAP documentation for the TO_ALPHANUM function to understand its limitations and any alternative functions that might support longer strings.
  
  
  Testing: After making changes, thoroughly test the program to ensure that it behaves as expected and that the error no longer occurs.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. Sometimes, SAP provides fixes or workarounds for known issues.
  Data Model: Review the data model to ensure that fields are defined with appropriate lengths based on the expected data.
  Performance Considerations: Be mindful of performance implications when manipulating large strings, especially in loops or bulk processing scenarios.
  
  By following these steps, you should be able to resolve the RSSDA124 error and ensure that your application handles string data correctly.