How To Fix CNV_00001196 - Parameter/field &1 can not be mapped to parameter/field &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 196

• Message text: Parameter/field &1 can not be mapped to parameter/field &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_00001196 - Parameter/field &1 can not be mapped to parameter/field &2 ?

  The SAP error message CNV_00001196 indicates that there is an issue with mapping parameters or fields during a data conversion or migration process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer processes.
  Cause:
  The error message CNV_00001196 occurs when the system is unable to map a specific parameter or field (denoted as &1) to another parameter or field (denoted as &2). This can happen due to several reasons, including:
  
  Incompatible Data Types: The source and target fields may have incompatible data types, making it impossible to map them directly.
  Missing Mapping Configuration: The mapping configuration may not be set up correctly, or the required mapping for the specific fields may be missing.
  Field Length Issues: The length of the data in the source field may exceed the length defined for the target field.
  Data Structure Changes: Changes in the data structure between the source and target systems may lead to fields that no longer exist or have been renamed.
  Custom Fields: If custom fields are involved, they may not be properly defined in the mapping configuration.
  
  Solution:
  To resolve the error CNV_00001196, you can take the following steps:
  
  
  Check Mapping Configuration:
  
  Review the mapping configuration for the data migration process. Ensure that all required fields are correctly mapped.
  If necessary, create or adjust the mapping for the fields in question.
  
  
  
  Verify Data Types:
  
  Check the data types of the source and target fields. Ensure they are compatible and can be mapped directly.
  If there are discrepancies, consider transforming the data type in the source or target system.
  
  
  
  Field Length Validation:
  
  Compare the lengths of the source and target fields. If the source field's length exceeds that of the target field, you may need to truncate the data or adjust the target field's length.
  
  
  
  Review Data Structure:
  
  Ensure that the data structure in the source system matches the expected structure in the target system. If there have been changes, update the mapping accordingly.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or guides related to the specific data migration tool you are using. There may be specific instructions or best practices for handling field mappings.
  
  
  
  Testing:
  
  After making adjustments, perform a test migration to verify that the error has been resolved and that data is being mapped correctly.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Data Migration Tools: Familiarize yourself with the specific data migration tools and their capabilities, as well as any limitations they may have regarding field mappings.
  
  By following these steps, you should be able to identify the root cause of the CNV_00001196 error and implement a solution to resolve it.