How To Fix CNV_MBT_46073 - Node expand failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 073

• Message text: Node expand failed

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_MBT_46073 - Node expand failed ?

  The SAP error message CNV_MBT_46073: Node expand failed typically occurs during the execution of a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system encountered an issue while trying to expand a node in the data structure, which can be due to various reasons.
  Possible Causes:
  
  Data Structure Issues: The data structure being processed may have inconsistencies or may not conform to the expected format.
  Mapping Errors: There could be issues with the mapping of fields between the source and target systems.
  Configuration Problems: Incorrect configuration settings in the migration cockpit or related tools can lead to this error.
  Missing Data: Required data might be missing or incomplete, preventing the node from expanding properly.
  Performance Issues: If the system is under heavy load or if there are performance bottlenecks, it may lead to timeouts or failures in processing.
  
  Solutions:
  
  Check Data Structure: Review the data structure being used for migration. Ensure that it is correctly defined and that all required fields are present.
  Validate Mapping: Verify the mapping of fields between the source and target systems. Ensure that all mappings are correct and that there are no discrepancies.
  Review Configuration: Check the configuration settings in the migration cockpit. Ensure that all necessary parameters are set correctly.
  Data Completeness: Ensure that all required data is present and complete. If any data is missing, it should be provided before re-running the migration.
  System Performance: Monitor system performance and check for any bottlenecks. If necessary, optimize the system or run the migration during off-peak hours.
  Logs and Traces: Review the logs and traces generated during the migration process for more detailed error messages that can provide insights into the root cause of the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for the migration tool you are using, as it may contain specific guidelines and best practices.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with detailed information about the error and the context in which it occurred.