How To Fix CNV_MBT_ULV102 - No callback defined

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_ULV - Messages for Unified Log Viewer

• Message number: 102

• Message text: No callback defined

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_ULV102 - No callback defined ?

  The SAP error message CNV_MBT_ULV102: No callback defined typically occurs in the context of data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services tools. This error indicates that the system is trying to execute a callback function that has not been defined or is not available in the current context.
  Causes:
  
  Missing Callback Function: The callback function that the system is trying to invoke is not defined in the program or configuration.
  Incorrect Configuration: The configuration settings for the data migration or transformation process may be incomplete or incorrect.
  Version Mismatch: There may be a version mismatch between the tools or components being used, leading to missing functionalities.
  Custom Code Issues: If there are custom developments or enhancements, they may not have been implemented correctly, leading to this error.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the data migration or transformation process to ensure that all necessary callbacks are defined.
  Define Missing Callbacks: If you identify that a specific callback is missing, you may need to implement it in the relevant program or configuration.
  Review Documentation: Consult the SAP documentation or notes related to the specific tools you are using (e.g., SLT, Data Services) to understand the expected callbacks and their implementations.
  Check for Updates: Ensure that you are using the latest version of the relevant SAP tools and components. Sometimes, updates may include fixes for known issues.
  Debugging: If you have access to the development environment, you can debug the process to identify where the callback is expected and why it is not defined.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if this is a production issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered and resolved similar issues.
  Documentation: Review the official SAP documentation for the tools you are using, as they often provide insights into common errors and their resolutions.
  
  By following these steps, you should be able to diagnose and resolve the CNV_MBT_ULV102 error effectively.