How To Fix SY144 - Negative argument for SORT not allowed

SY144 - Overview

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 144

• Message text: Negative argument for SORT not allowed

Self-Explanatory Message

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SY144 - Details

• The SAP error message SY144 ("Negative argument for SORT not allowed") typically occurs when you are trying to sort an internal table or a data structure using a negative value for the sort order or the number of records to sort. This is not allowed in SAP ABAP, as sorting requires a non-negative integer.
  
  Cause:
  The error is usually caused by one of the following scenarios:
  
  Negative Index: You might be trying to sort an internal table using a negative index or a negative value in the sort parameters.
  Incorrect Logic: There may be a logical error in your code where a variable that is supposed to hold a positive value is inadvertently assigned a negative value.
  Dynamic Sorting: If you are dynamically determining the sort order or the number of records to sort, ensure that the logic does not produce negative values.
  
  
  Solution:
  To resolve the SY144 error, you can take the following steps:
  
  
  Check Sort Parameters: