How To Fix ML4HRUN121 - Modified Record refers to invalid Row Index &1

ML4HRUN121 - Overview

• Message type: E = Error

• Message class: ML4HRUN - Messages for New Actual Costing

• Message number: 121

• Message text: Modified Record refers to invalid Row Index &1

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ML4HRUN121 - Modified Record refers to invalid Row Index &1 ?

  The SAP error message ML4HRUN121 ("Modified Record refers to invalid Row Index &1") typically occurs in the context of handling data records in SAP, particularly when dealing with internal tables or data structures that involve row indexing. This error indicates that there is an attempt to reference a row index that does not exist or is out of bounds in the internal table.
  Causes:
  
  
  Invalid Row Index: The row index specified in the error message does not correspond to any existing row in the internal table. This can happen if:
  
  The index is negative or zero.
  The index exceeds the number of rows in the table.
  The table has been modified (rows added or deleted) after the index was determined.
  
  
  
  Data Consistency Issues: If there are inconsistencies in the data being processed, such as missing or corrupted records, this can lead to invalid row references.
  
  
  Programming Errors: Errors in the ABAP code, such as incorrect loop constructs