How To Fix CNV_MBT_KP002 - empty response_type is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_KP - Knowledge pool

• Message number: 002

• Message text: empty response_type is not allowed

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_KP002 - empty response_type is not allowed ?

  The SAP error message CNV_MBT_KP002: Empty response_type is not allowed typically occurs in the context of data migration or transformation processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a required parameter, response_type, is not being provided or is empty when it is expected to have a value.
  Cause:
  
  Missing Configuration: The error may arise if the configuration for the migration or transformation process is incomplete or incorrect, leading to a missing response_type.
  Data Mapping Issues: If the data mapping or transformation rules are not properly defined, it may result in an empty response type.
  Custom Code or Enhancements: If there are custom developments or enhancements in the migration process, they might not be handling the response_type correctly.
  Version Compatibility: Sometimes, using an incompatible version of the migration tool or not following the correct procedure for the specific version can lead to such errors.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the migration or transformation process. Ensure that all required fields, including response_type, are correctly filled out.
  Data Mapping Review: Go through the data mapping and transformation rules to ensure that they are correctly defined and that they include a valid response_type.
  Debugging: If you have access to the development environment, consider debugging the process to identify where the response_type is being set or why it is empty.
  Consult Documentation: Refer to the official SAP documentation for the migration tool you are using. There may be specific guidelines or requirements regarding the response_type.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for assistance. They can provide more detailed insights based on your specific system configuration and version.
  
  Related Information:
  
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit, as it is often the tool involved in such errors.
  Data Migration Best Practices: Review best practices for data migration in SAP environments to avoid common pitfalls.
  Error Logs: Check the error logs for additional context or related errors that might help in diagnosing the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.