How To Fix CNV_10020156 - &1 &2: No TDetObject was assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 156

• Message text: &1 &2: No TDetObject was assigned

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020156 - &1 &2: No TDetObject was assigned ?

  The SAP error message CNV_10020156 with the text "No TDetObject was assigned" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is unable to find a corresponding TDetObject (Transfer Data Object) for the data being processed.
  Cause:
  
  Missing Configuration: The TDetObject may not be properly configured or assigned in the migration project.
  Data Mapping Issues: There may be issues with the mapping of source data to the target structure, leading to the absence of a defined TDetObject.
  Inconsistent Data: The source data might not conform to the expected format or structure, causing the system to fail in identifying the appropriate TDetObject.
  Technical Issues: There could be underlying technical issues, such as missing transport requests or incomplete setups in the migration cockpit.
  
  Solution:
  
  Check Configuration: Verify that the TDetObject is correctly configured in the migration project. Ensure that all necessary settings are in place.
  Review Data Mapping: Go through the data mapping settings to ensure that all source fields are correctly mapped to the target fields. Make sure that the TDetObject is assigned to the relevant data structure.
  Validate Source Data: Check the source data for any inconsistencies or errors. Ensure that the data adheres to the expected format and structure.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be additional guidelines or troubleshooting steps provided.
  Debugging: If you have access to the development environment, consider debugging the migration process to identify where the assignment of the TDetObject is failing.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that may resolve known issues.
  
  Related Information:
  
  SAP Migration Cockpit: Familiarize yourself with the SAP Migration Cockpit and its functionalities, as it is often the tool involved in these types of errors.
  Data Migration Best Practices: Review best practices for data migration in SAP, including data cleansing, validation, and mapping strategies.
  SAP Community: Engage with the SAP Community forums or support channels for additional insights and shared experiences from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.