How To Fix CNV_10020534 - Subobject &1 for object &2 for log output does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 534

• Message text: Subobject &1 for object &2 for log output does not exist

The system found that the specified subobject &V1& of object &V2& for
log output in table BALSUB does not exist.

System Response

Log output cannot take place.

How to fix this error?

In transaction CNV_10020_PARAM, define parameter PROT_SUBOBJECT for
your package &V3&. When doing so, specify a subproject for which you
want to store the logs.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020534 - Subobject &1 for object &2 for log output does not exist ?

  The SAP error message CNV_10020534 typically indicates that there is an issue related to the conversion process in a data migration or transformation scenario, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. The message suggests that a specific subobject for a given object does not have any log output available, which can hinder the data migration or transformation process.
  Cause:
  
  
  Missing Log Entries: The error usually arises when the system is trying to access log entries for a specific subobject and object, but no log entries exist. This could be due to:
  
  The conversion process not being executed properly.
  Logs being deleted or not generated due to an error in the previous steps.
  Incorrect configuration or parameters set during the migration process.
  
  
  
  Data Inconsistencies: There may be inconsistencies in the data that prevent the logging mechanism from capturing the necessary information.
  
  
  Authorization Issues: The user executing the process may not have the necessary authorizations to access the log data.
  
  
  Solution:
  
  
  Check Execution Logs: Review the execution logs of the data migration or transformation process to identify any preceding errors that may have caused the log entries to be missing.
  
  
  Re-run the Process: If possible, re-run the conversion or migration process to ensure that logs are generated. Make sure to monitor the process for any errors.
  
  
  Verify Configuration: Ensure that the configuration settings for the migration or transformation process are correct. This includes checking the parameters and settings related to logging.
  
  
  Check Authorizations: Verify that the user has the necessary authorizations to access the logs. If not, adjust the user roles accordingly.
  
  
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration or transformation tool you are using. There may be specific guidelines or troubleshooting steps provided.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with the error message and any relevant logs or details about the migration process.
  
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like SLT, LTMC, or LTMOM depending on the tools you are using for data migration.
  SAP Notes: Look for SAP Notes related to the error message or the specific migration tool you are using. SAP Notes often contain fixes or workarounds for known issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to diagnose and potentially resolve the error CNV_10020534.