How To Fix CNVMBT023 - No substate information exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBT - Messages for MBT/API/PCL

• Message number: 023

• Message text: No substate information exists

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?

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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 CNVMBT023 - No substate information exists ?

  The SAP error message CNVMBT023: No substate information exists typically occurs in the context of data migration or conversion processes, particularly when using the SAP Migration Cockpit or similar tools. This error indicates that the system is unable to find the necessary substate information for a specific object or process, which is essential for the migration or conversion to proceed.
  Causes:
  
  Missing Configuration: The substate information may not have been configured correctly in the system.
  Data Inconsistencies: There may be inconsistencies or missing entries in the source data that prevent the system from identifying the required substates.
  Incorrect Mapping: The mapping of source data to target structures may not be set up properly, leading to the absence of expected substates.
  Technical Issues: There could be underlying technical issues, such as problems with the migration tool or database connectivity.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to the migration or conversion process. Ensure that all necessary substates are defined and correctly set up.
  Validate Source Data: Examine the source data for completeness and consistency. Ensure that all required fields and entries are present.
  Review Mapping: Verify the mapping of source to target structures. Make sure that all necessary fields, including substates, are correctly mapped.
  Consult Documentation: Refer to SAP documentation or guides related to the specific migration or conversion process you are using. There may be specific steps or prerequisites that need to be followed.
  Debugging: If you have access to technical resources, consider debugging the migration process to identify where the error is occurring and why the substate information is missing.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  SAP Migration Cockpit: This tool is commonly used for data migration in SAP S/4HANA projects. Familiarity with its functionalities and configurations can be beneficial.
  Data Migration Best Practices: Understanding best practices for data migration can help prevent issues like this from occurring in the future.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to reach out to SAP support for further assistance.