How To Fix CNV_PE310 - Posting key Customizing already loaded by previous transfer method

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 310

• Message text: Posting key Customizing already loaded by previous transfer method

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE310 - Posting key Customizing already loaded by previous transfer method ?

  The SAP error message "CNV_PE310 Posting key Customizing already loaded by previous transfer method" typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data transfer tools. This error indicates that the posting key customizing settings have already been loaded into the system through a previous transfer method, and the system is preventing a duplicate loading of the same settings.
  Cause:
  
  Duplicate Data Load: The error arises when there is an attempt to load the same posting key customizing data that has already been imported into the system.
  Incorrect Migration Sequence: The migration process may not have been followed correctly, leading to an attempt to load data that should have been loaded in a previous step.
  Configuration Overlap: If multiple migration methods or tools are used, they might overlap in terms of the data they are trying to load.
  
  Solution:
  
  Check Migration Status: Verify the status of the previous migration steps to ensure that the posting key customizing has not already been loaded. You can do this by checking the logs or the status of the migration cockpit.
  Skip Duplicate Load: If the posting key customizing has already been loaded successfully, you can skip this step in your migration process.
  Review Migration Steps: Ensure that you are following the correct sequence of migration steps as outlined in the SAP documentation. Make sure that the posting key customizing is loaded only once.
  Use Transaction Codes: You can use transaction codes like OBY6 to check the existing posting keys and their configurations in the system.
  Consult Documentation: Refer to the SAP Notes or the official SAP Help documentation for specific guidance on the migration process and handling errors related to data transfer.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or solutions for this specific error.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which provides detailed instructions on the data migration process and troubleshooting common errors.
  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 consult with your SAP Basis or technical team for further investigation and resolution.