How To Fix CNV20200026 - Failed to load mapping table for mapping template &1 with namespace &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 026

• Message text: Failed to load mapping table for mapping template &1 with namespace &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200026 - Failed to load mapping table for mapping template &1 with namespace &2 ?

  The SAP error message CNV20200026 indicates that there was a failure in loading a mapping table for a specific mapping template identified by &1 (the mapping template name) and &2 (the namespace). This error typically occurs in the context of data migration or conversion processes, particularly when using SAP's Conversion Tools or Data Migration tools.
  Causes:
  
  Missing Mapping Table: The mapping table that is supposed to be loaded does not exist in the specified namespace.
  Incorrect Namespace: The namespace provided may be incorrect or not properly defined in the system.
  Authorization Issues: The user executing the process may not have the necessary authorizations to access the mapping table.
  Configuration Issues: There may be configuration issues in the migration tool or the environment that prevent the mapping table from being loaded.
  Corrupted Data: The mapping table could be corrupted or improperly formatted.
  
  Solutions:
  
  Check Mapping Table Existence: Verify that the mapping table exists in the specified namespace. You can do this by checking the relevant database tables or using transaction codes like SE11 or SE16.
  Verify Namespace: Ensure that the namespace is correctly defined and that you are using the correct one in your mapping template.
  User Authorizations: Check the user authorizations to ensure that the user has the necessary permissions to access the mapping table.
  Review Configuration: Look into the configuration settings of the migration tool to ensure everything is set up correctly.
  Check for Corruption: If the mapping table exists but still fails to load, check for any corruption or issues with the data in the table.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any additional troubleshooting steps or known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and CNV_MBT (for mapping table management).
  SAP Notes: Search for SAP Notes related to the error message or the specific migration tool you are using. SAP frequently updates their knowledge base with solutions to common issues.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.