How To Fix CI204 - Access with invalid index (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: CI - Plant maintenance task list messages

• Message number: 204

• Message text: Access with invalid index (&)

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

INCLUDE NA_SYS OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CI204 - Access with invalid index (&) ?

  The SAP error message CI204, which states "Access with invalid index (&)," typically occurs when there is an attempt to access an internal table using an index that is either out of bounds or not valid. This can happen in ABAP programs when the index specified is less than 1 or greater than the number of entries in the internal table.
  Causes:
  
  Out-of-Bounds Index: The index used to access the internal table is either less than 1 or greater than the number of rows in the table.
  Empty Internal Table: The internal table may be empty, and an attempt is made to access an index.
  Incorrect Logic: There may be a logical error in the code that calculates or determines the index value.
  Dynamic Indexing: If the index is calculated dynamically, it may not be properly validated before use.
  
  Solutions:
  
  
  Check Index Value: Before accessing the internal table, ensure that the index is within the valid range. You can use the following check:
  IF index >= 1 AND index <= lines(internal_table).
      " Access the internal table
      DATA(value) = internal_table[index].
  ELSE.
      " Handle the error
      WRITE: 'Invalid index'.
  ENDIF.
  
  
  Validate Internal Table: Before accessing the internal table, check if it is empty:
  IF lines(internal_table) > 0.
      " Safe to access the internal table
  ELSE.
      " Handle the empty table case
  ENDIF.
  
  
  Debugging: Use the debugger to step through the code and monitor the value of the index and the size of the internal table at runtime. This can help identify where the logic may be failing.
  
  
  Error Handling: Implement error handling to manage cases where an invalid index might be used. This can include logging the error or providing user feedback.
  
  
  Related Information:
  
  ABAP Documentation: Review the ABAP documentation for more details on internal tables and index handling.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Code Review: Conduct a code review to ensure that all accesses to internal tables are properly validated.
  
  By following these steps, you should be able to resolve the CI204 error and prevent it from occurring in the future.