How To Fix CNV_LTHCM_S_10078 - No component specified for cluster table &1; specify a component

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_LTHCM_S_10 - LT HCM: Message Class for Data Selection

• Message number: 078

• Message text: No component specified for cluster table &1; specify a component

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_LTHCM_S_10078 - No component specified for cluster table &1; specify a component ?

  The SAP error message CNV_LTHCM_S_10078 indicates that there is an issue with a cluster table where no component has been specified. This error typically arises during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools.
  Cause:
  The error occurs when the system expects a component to be specified for a cluster table, but it is missing. This can happen due to several reasons:
  
  Configuration Issues: The configuration for the data migration might not have been set up correctly, leading to missing component specifications.
  Data Mapping Errors: There may be issues in the mapping of the source data to the target structure, particularly for cluster tables.
  Custom Development: If there are custom developments or enhancements in the data migration process, they might not be handling cluster tables correctly.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration:
  
  Review the configuration settings for the data migration process. Ensure that all necessary components for the cluster tables are specified correctly.
  
  
  
  Specify the Component:
  
  If you are using a migration tool or program, ensure that you specify the required component for the cluster table in the relevant settings or parameters.
  
  
  
  Review Data Mapping:
  
  Check the data mapping definitions to ensure that all fields, especially those related to cluster tables, are correctly defined and mapped.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific migration tool you are using. There may be specific guidelines or prerequisites for handling cluster tables.
  
  
  
  Debugging:
  
  If you have access to the development environment, consider debugging the migration program to identify where the component specification is failing.
  
  
  
  SAP Support:
  
  If the issue persists, consider reaching out to SAP Support for assistance. Provide them with the error details and any relevant logs to help diagnose the problem.
  
  
  
  Related Information:
  
  Cluster Tables: In SAP, cluster tables are used to store related data in a compressed format. They are typically used for performance reasons and can complicate data migration due to their structure.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on handling cluster tables during migration.
  Migration Tools: Familiarize yourself with the specific migration tools you are using (e.g., SAP Data Services, SLT) and their documentation for best practices and troubleshooting tips.
  
  By following these steps, you should be able to identify and resolve the issue related to the CNV_LTHCM_S_10078 error message.