How To Fix GL556 - Internal error occurred when writing to table COKS (control data)

SAP Error Message - Details

• Message type: E = Error

• Message class: GL - FI-SL Rollup

• Message number: 556

• Message text: Internal error occurred when writing to table COKS (control data)

What causes this issue?

A database error occured when writing data to table COKS.

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?

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 GL556 - Internal error occurred when writing to table COKS (control data) ?

  The SAP error message GL556, which indicates that an internal error occurred when writing to the table COKS (control data), can be caused by several factors. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Database Issues: There may be issues with the database, such as corruption or locks that prevent writing to the COKS table.
  Authorization Problems: The user may not have the necessary authorizations to write to the table.
  Configuration Errors: Incorrect configuration settings in the system can lead to this error.
  Program Errors: Bugs in the custom code or standard SAP programs that interact with the COKS table.
  Transport Issues: If changes were transported from one system to another, there might be inconsistencies in the data or configuration.
  
  Solutions:
  
  Check Database Status: Ensure that the database is running correctly and that there are no locks or corruption issues. You may need to consult your database administrator.
  Review Authorizations: Verify that the user has the necessary authorizations to perform the action that triggered the error. Use transaction SU53 to check for authorization failures.
  Analyze Configuration: Review the configuration settings related to the COKS table and ensure they are set up correctly.
  Debugging: If you have access to the ABAP code, you can debug the program that is causing the error to identify the root cause.
  Check for Notes: Look for SAP Notes related to this error message in the SAP Support Portal. There may be patches or updates that address this issue.
  Transport Management: If the issue arose after a transport, check the transport logs for errors and ensure that all necessary objects were transported correctly.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal using the error message or the table name (COKS) as keywords.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to view the structure of the COKS table and SE37 (Function Builder) to analyze any related function modules.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that occurred around the same time as the GL556 error.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurred.
  
  By following these steps, you should be able to diagnose and resolve the GL556 error in your SAP system.