How To Fix FG556 - System error in writing the control data

SAP Error Message - Details

• Message type: E = Error

• Message class: FG - Program Error Messages

• Message number: 556

• Message text: System error in writing the control data

What causes this issue?

When reading the internal database table RFDT for application &v1& and
reorganization object &v2&, an error occurred.

System Response

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

How to fix this error?

Repeat your action and if it happens again, contact your consultant or
SAP hotline directly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FG556 - System error in writing the control data ?

  The SAP error message FG556, which indicates a "System error in writing the control data," typically arises during processes that involve data updates or transactions in the SAP system. This error can be caused by various factors, including:
  Causes:
  
  Database Issues: Problems with the database, such as locks, corruption, or connectivity issues, can prevent the system from writing control data.
  Authorization Issues: Insufficient permissions for the user or role attempting to perform the action may lead to this error.
  Configuration Errors: Incorrect configuration settings in the system can lead to failures in data processing.
  System Performance: High load on the system or performance issues can cause timeouts or failures in writing data.
  Transport Issues: If the error occurs during a transport request, it may be due to issues with the transport layer or missing objects.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21) and application logs (transaction SLG1) for more detailed error messages that can provide insights into the root cause.
  Database Check: Ensure that the database is functioning correctly. Check for locks (using transaction SM12) and perform a database consistency check if necessary.
  User Authorizations: Verify that the user has the necessary authorizations to perform the action. Use transaction SU53 to analyze authorization failures.
  Configuration Review: Review the configuration settings related to the process that triggered the error. Ensure that all necessary settings are correctly configured.
  System Performance: Monitor system performance using transaction ST03N or ST06. If the system is under heavy load, consider optimizing performance or scheduling the task during off-peak hours.
  Transport Management: If the error is related to a transport request, check the transport logs and ensure that all required objects are included in the transport.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches and updates.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Technical Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the FG556 error in your SAP system.