How To Fix CNV_20000128 - Parameter &1 could not be saved

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20000 - Messages for fiscal year change

• Message number: 128

• Message text: Parameter &1 could not be saved

What causes this issue?

The specified parameter &V1& was meant to be stored in table
CNV_00001_PARAMS; however this failed.

System Response

The parameter cannot be stored and is consequently missing.

How to fix this error?

Find out about the reason by checking either the <DS:TRAN.SE16>table</>
itself or the <DS:TRAN.SM21>system log</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20000128 - Parameter &1 could not be saved ?

  The SAP error message CNV_20000128: Parameter &1 could not be saved typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a specific parameter (denoted by &1) could not be saved due to various reasons.
  Causes:
  
  Missing Authorization: The user executing the migration may not have the necessary authorizations to save the parameter.
  Data Validation Issues: The parameter value being saved may not meet the required validation rules or constraints defined in the system.
  Technical Issues: There could be underlying technical issues, such as database locks, connectivity problems, or system configuration errors.
  Incorrect Configuration: The migration settings or parameters may not be correctly configured, leading to issues when trying to save them.
  Inconsistent Data: The data being migrated may have inconsistencies or errors that prevent the parameter from being saved.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to perform the action. You may need to consult with your SAP security team to verify and adjust user roles.
  Validate Data: Review the data being processed to ensure it meets all validation rules. Correct any inconsistencies or errors in the data.
  Review Configuration: Double-check the configuration settings for the migration process. Ensure that all parameters are correctly set and that there are no missing or incorrect entries.
  Check System Logs: Look into the system logs (transaction SLG1) for more detailed error messages that can provide additional context about the failure.
  Database Locks: Ensure that there are no database locks that might be preventing the save operation. You can check for locks using transaction SM12.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLG1 (Application Log), SM12 (Display and Delete Locks), and ST22 (Dump Analysis) for troubleshooting.
  Documentation: Review the official SAP documentation for the migration tool you are using, as it may provide specific guidelines and troubleshooting steps related to this error.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed, as they can provide insights from other users who faced the same problem.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.