How To Fix ISI010 - Error (code &1) has occurred during modification of an internal table

SAP Error Message - Details

• Message type: E = Error

• Message class: ISI - Message class for Supplier Workplace

• Message number: 010

• Message text: Error (code &1) has occurred during modification of an internal table

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ISI010 - Error (code &1) has occurred during modification of an internal table ?

  The SAP error message ISI010, which states "Error (code &1) has occurred during modification of an internal table," typically indicates that there is an issue with the internal table being modified in an ABAP program. This error can arise from various causes, and understanding the context is essential for troubleshooting.
  Causes:
  
  Invalid Index: The error may occur if the program attempts to access or modify an index of the internal table that does not exist (e.g., an index that is out of bounds).
  Table Locking Issues: If the internal table is being modified while it is locked by another process, it can lead to this error.
  Data Type Mismatch: If there is a mismatch between the data types of the internal table and the data being inserted or modified, it can cause this error.
  Memory Issues: Insufficient memory or exceeding the limits of the internal table size can also lead to this error.
  Corrupted Data: If the internal table has been corrupted or improperly initialized, it may lead to modification errors.
  
  Solutions:
  
  
  Check Index Validity: Ensure that any index used to access or modify the internal table is valid. Use the DESCRIBE TABLE statement to check the number of entries in the table before accessing it.
  DATA: lv_index TYPE i.
  DESCRIBE TABLE it_table LINES lv_index.
  IF lv_index > 0.
      " Safe to access the table
  ENDIF.
  
  
  Review Locking Mechanisms: If the internal table is being modified in a multi-threaded environment, ensure that proper locking mechanisms (like ENQUEUE and DEQUEUE) are in place to prevent concurrent modifications.
  
  
  Data Type Consistency: Verify that the data types of the fields in the internal table match the data being inserted or modified. Use the TYPE statement to define the internal table structure correctly.
  
  
  Memory Management: If the internal table is large, consider using more efficient data structures or breaking the data into smaller chunks. Monitor memory usage and optimize the program if necessary.
  
  
  Initialization: Ensure that the internal table is properly initialized before any modifications. Use CLEAR or REFRESH to reset the table if needed.
  
  
  Debugging: Use the ABAP debugger to step through the code and identify the exact point where the error occurs. This can provide insights into the state of the internal table at the time of modification.
  
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP ABAP documentation for more details on internal tables and error handling.
  SAP Notes: Check SAP Notes for any known issues related to this error message. Sometimes, specific patches or updates may address underlying issues.
  Community Forums: Engage with SAP community forums or SAP support for additional insights and solutions from other developers who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the ISI010 error and implement an appropriate solution.