How To Fix OC221 - Error while retrieving data from internal table

SAP Error Message - Details

• Message type: E = Error

• Message class: OC - IS-Oil: BDRP Bulk Distribution Requirement Planning messages

• Message number: 221

• Message text: Error while retrieving data from internal table

What causes this issue?

The contents of the database table &V1& are buffered in an internal
table of a storage object processing workarea. When the system tried
to retrieve an entry from the internal table, it detected an
inconsistency.

System Response

The system cancels processing of the storage object segment.

How to fix this error?

Please contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OC221 - Error while retrieving data from internal table ?

  The SAP error message OC221, which indicates "Error while retrieving data from internal table," typically occurs when there is an issue with accessing or processing data stored in an internal table within an ABAP program. This error can arise due to various reasons, including:
  Causes:
  
  Empty Internal Table: The internal table being accessed may be empty, leading to an attempt to read data that does not exist.
  Index Out of Range: The program may be trying to access an index in the internal table that is out of bounds (e.g., trying to access the first element of an empty table).
  Data Type Mismatch: There may be a mismatch between the expected data type and the actual data type of the fields being accessed.
  Incorrect Looping Logic: If the logic used to loop through the internal table is incorrect, it may lead to errors when trying to access data.
  Corrupted Data: The internal table may contain corrupted or unexpected data that cannot be processed correctly.
  
  Solutions:
  
  
  Check for Empty Table: Before accessing the internal table, ensure that it is not empty. You can use the DESCRIBE TABLE statement to check the number of entries.
  DATA: lv_count TYPE i.
  DESCRIBE TABLE it_table COUNT lv_count.
  IF lv_count > 0.
      " Proceed with data retrieval
  ELSE.
      " Handle the empty table case
  ENDIF.
  
  
  Validate Index Access: Ensure that any index used to access the internal table is within the valid range. Use a loop construct that automatically handles the index.
  LOOP AT it_table INTO DATA(ls_entry).
      " Process each entry
  ENDLOOP.
  
  
  Check Data Types: Verify that the data types of the fields being accessed match the expected types. Use appropriate type declarations and conversions if necessary.
  
  
  Debugging: Use the ABAP debugger to step through the code and inspect the contents of the internal table at runtime. This can help identify where the error occurs.
  
  
  Error Handling: Implement error handling to gracefully manage situations where data retrieval fails. This can include logging the error or providing user feedback.
  
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP ABAP documentation for more details on internal tables, data types, and error handling.
  SAP Community: Engage with the SAP Community forums to find discussions related to similar error messages and solutions shared by other developers.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific version of SAP you are using.
  
  By following these steps, you should be able to diagnose and resolve the OC221 error effectively.