How To Fix CNV20400034 - &1 set to master/customizing!

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20400 - Message class CNV20400

• Message number: 034

• Message text: &1 set to master/customizing!

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20400034 - &1 set to master/customizing! ?

  The SAP error message CNV20400034 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. The error message indicates that a certain field (denoted by &1) is set to either a master data or customizing data, which may not be compatible with the expected data structure or requirements.
  Cause:
  
  Data Inconsistency: The field in question may contain values that are not valid for the target system or do not meet the required format.
  Mapping Issues: There may be a problem with how the data is mapped from the source to the target system, leading to conflicts in data types or structures.
  Configuration Errors: The customizing settings in the target system may not align with the data being migrated, causing the system to reject the data.
  Missing Dependencies: The data being migrated may depend on other data that is not present or correctly configured in the target system.
  
  Solution:
  
  Check Data Validity: Review the data in the source system for the field indicated by &1. Ensure that it meets the requirements of the target system.
  Review Mapping Configuration: Verify the mapping settings in the migration tool to ensure that the data is being correctly transformed and mapped to the target fields.
  Adjust Customizing Settings: Ensure that the customizing settings in the target system are correctly configured to accept the incoming data. This may involve adjusting settings in transaction codes related to the specific module (e.g., SPRO).
  Data Cleansing: If there are inconsistencies in the data, consider cleansing the data before migration to ensure it meets the target system's requirements.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using, as it may provide additional insights or troubleshooting steps specific to the error message.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific data migration tool you are using for best practices and troubleshooting tips.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support for more tailored assistance.