How To Fix F8120 - Control parameters cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: F8 -

• Message number: 120

• Message text: Control parameters cannot be changed

What causes this issue?

All possible control parameters are also mandatory, therefore, the
parameters cannot be changed.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message F8120 - Control parameters cannot be changed ?

  The SAP error message F8120, which states "Control parameters cannot be changed," typically occurs in the context of financial transactions or settings where certain control parameters are locked or restricted from being modified. This can happen in various scenarios, such as during the configuration of financial accounting, controlling, or when trying to change settings that are critical to the integrity of financial data.
  Causes:
  
  Locked Configuration: The control parameters may be locked due to the system settings or because they are part of a closed fiscal period.
  Authorization Issues: The user may not have the necessary authorizations to change the control parameters.
  System Settings: Certain parameters are designed to be immutable once they are set, especially in production environments.
  Transaction Context: The error may arise when trying to change parameters in a transaction that does not allow modifications.
  
  Solutions:
  
  Check Authorization: Ensure that the user has the necessary authorizations to change the control parameters. This can be done by reviewing the user's roles and permissions in the SAP system.
  Review Configuration Settings: If the parameters are locked due to configuration settings, consult with your SAP Basis or configuration team to understand if the settings can be modified.
  Fiscal Year Closure: If the error is related to a closed fiscal year, you may need to open the fiscal year or make the changes in a different period.
  Use Transaction Codes: If applicable, use the appropriate transaction codes (like SPRO for configuration) to navigate to the relevant settings and check if changes can be made.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module you are working with for any additional insights or restrictions regarding control parameters.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. SAP frequently releases notes that address specific error messages and provide guidance on how to resolve them.
  Transaction Logs: Review transaction logs or system logs to gather more context about when and why the error occurred.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the F8120 error and take appropriate action to resolve it.