How To Fix KP221 - System error: error while reading internal table

SAP Error Message - Details

• Message type: E = Error

• Message class: KP - CO-OM Planning

• Message number: 221

• Message text: System error: error while reading internal table

What causes this issue?

A program error occurred during activity price calculation. No entry
was found in an internal table for cost center &V1&, activity type
&V2&.
Table &V3&

System Response

Processing is terminated.

How to fix this error?

Inform 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 KP221 - System error: error while reading internal table ?

  The SAP error message KP221 ("System error: error while reading internal table") typically indicates that there is an issue with the internal data structures used by the SAP system during the execution of a transaction or report. This error can occur in various contexts, often related to the Controlling (CO) module, particularly in transactions involving cost planning or actual postings.
  Possible Causes:
  
  Data Corruption: The internal table may have become corrupted due to a system error or an inconsistency in the database.
  Memory Issues: Insufficient memory allocation for the internal tables can lead to this error.
  Program Errors: Bugs in custom ABAP programs or modifications that manipulate internal tables incorrectly.
  Database Issues: Problems with the underlying database, such as locks or inconsistencies.
  Transport Issues: If the error occurs after a transport, it may be due to missing objects or dependencies.
  
  Solutions:
  
  Check for System Updates: Ensure that your SAP system is up to date with the latest support packages and patches. Sometimes, these errors are resolved in newer versions.
  Review Custom Code: If the error occurs in a custom program, review the code for any issues related to internal table handling. Look for incorrect indexing or data manipulation.
  Analyze Short Dumps: Use transaction ST22 to check for short dumps related to this error. The dump analysis can provide more context about what caused the error.
  Check Memory Settings: If the error is related to memory, consider increasing the memory settings for the SAP instance.
  Database Consistency Check: Run database consistency checks to ensure that there are no underlying issues with the database.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including transaction codes and any relevant logs.
  
  Related Information:
  
  Transaction Codes: KP21, KP26, KP31, etc., are related to cost planning and may trigger this error.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches.
  System Logs: Use transaction SM21 to check system logs for any related errors or warnings that occurred around the same time as the KP221 error.
  
  By following these steps, you should be able to diagnose and potentially resolve the KP221 error in your SAP system.