How To Fix CNV20308026 - Original messge type '&1' was last changed by &2 on &3 at &4

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20308 - SLO CWB Package Comparison

• Message number: 026

• Message text: Original messge type '&1' was last changed by &2 on &3 at &4

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 CNV20308026 - Original messge type '&1' was last changed by &2 on &3 at &4 ?

  The SAP error message CNV20308026 typically indicates an issue related to the change history of a message type in the context of data migration or conversion processes, particularly when using SAP's tools for data migration (like the SAP S/4HANA Migration Cockpit or other conversion tools).
  Cause:
  The error message suggests that there is a problem with the original message type, which has been modified by a user or process. The details provided in the message (like the user who made the change and the timestamp) indicate that the system is tracking changes to message types, and there may be a conflict or inconsistency in the data migration process.
  Possible Causes:
  
  Concurrent Changes: Another user or process may have modified the message type while your process was running.
  Data Consistency Issues: There may be inconsistencies in the data that are causing the migration process to fail.
  Configuration Issues: The message type may not be properly configured in the system, leading to errors during migration.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Check Change History: Review the change history of the message type indicated in the error message. This can help you understand what changes were made and by whom.
  Re-run the Process: If the error was caused by a temporary issue (like a concurrent change), try re-running the migration process after some time.
  Data Validation: Ensure that the data being migrated is consistent and adheres to the expected formats and structures.
  Configuration Review: Check the configuration settings for the message type in question. Ensure that it is set up correctly and that there are no missing or incorrect settings.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any known issues or additional troubleshooting steps.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with the error message details and any relevant logs.
  
  Related Information:
  
  SAP Notes: Look for SAP Notes related to the specific error message or the migration tool you are using. These notes often contain fixes or workarounds for known issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help you investigate the issue further, such as SE11 (Data Dictionary), SE37 (Function Modules), or SLG1 (Application Log).
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, review the migration object and ensure that all prerequisites are met.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.