How To Fix 5M255 - An append failed in the internal table itab of the server

SAP Error Message - Details

• Message type: E = Error

• Message class: 5M - Error Messages for Denmark

• Message number: 255

• Message text: An append failed in the internal table itab of the server

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5M255 - An append failed in the internal table itab of the server ?

  The SAP error message 5M255 indicates that an attempt to append data to an internal table (itab) has failed. This can occur for several reasons, and understanding the cause is essential for finding a solution. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Memory Limitations: The internal table may have reached its maximum size limit, which can happen if the table is defined with a fixed size or if the system is running low on memory.
  Data Type Mismatch: There may be a mismatch between the data types of the fields being appended and the structure of the internal table.
  Table Locking Issues: If the internal table is being accessed or modified by multiple processes simultaneously, it may lead to locking issues.
  Incorrect Table Declaration: The internal table may not be declared properly, leading to issues when trying to append data.
  Overflow: If the internal table is defined with a specific maximum number of entries, trying to exceed that limit will cause this error.
  
  Solutions:
  
  
  Check Internal Table Declaration: Ensure that the internal table is declared correctly and that it has sufficient space to accommodate the data being appended.
  
  Example: Use TYPES and DATA statements to define the structure and the internal table properly.
  
  
  
  Increase Memory Allocation: If the internal table is reaching its memory limit, consider increasing the memory allocation for the program or optimizing the data being processed.
  
  
  Review Data Types: Ensure that the data types of the fields being appended match the structure of the internal table. Use appropriate type conversions if necessary.
  
  
  Handle Locking: If the internal table is being accessed by multiple processes, implement proper locking mechanisms to prevent concurrent access issues.
  
  
  Check for Overflow: If the internal table has a defined maximum size, check if you are exceeding that limit. If so, consider using a dynamic internal table or increasing the limit.
  
  
  Related Information:
  
  Debugging: Use the ABAP debugger to step through the code and identify where the append operation is failing. This can provide insights into the state of the internal table and the data being appended.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Performance Considerations: If you are working with large datasets, consider using more efficient data handling techniques, such as using database operations instead of manipulating large internal tables in memory.
  
  By addressing the underlying cause of the error, you can implement the appropriate solution and prevent the error from occurring in the future.