How To Fix CNV_00001188 - Method parameter &1 is assigned to source table field &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 188

• Message text: Method parameter &1 is assigned to source table field &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_00001188 - Method parameter &1 is assigned to source table field &2 ?

  The SAP error message CNV_00001188 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 there is a mismatch between the method parameter and the source table field during the data mapping or transformation process.
  Cause:
  The error message CNV_00001188 is triggered when:
  
  A method parameter in the data migration process is not correctly assigned to the corresponding field in the source table.
  There may be a data type mismatch, or the field may not exist in the source table.
  The mapping configuration may be incorrect, leading to the parameter not being properly linked to the source data.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Mapping Configuration:
  
  Review the mapping configuration in the migration tool to ensure that the method parameters are correctly assigned to the corresponding fields in the source table.
  Ensure that the field names and data types match between the source and target systems.
  
  
  
  Verify Source Table Structure:
  
  Check the structure of the source table to confirm that the field referenced in the error message exists and is correctly defined.
  Ensure that the field is populated with valid data that can be processed.
  
  
  
  Adjust Data Types:
  
  If there is a data type mismatch, consider adjusting the data types in the source table or modifying the mapping to accommodate the expected data types.
  
  
  
  Review Transformation Logic:
  
  If there is any transformation logic applied during the migration, review it to ensure that it correctly handles the data being migrated.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using to understand the expected configurations and mappings.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform a test migration to verify that the error has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the migration tool you are using, you may need to use specific transaction codes to access the migration cockpit or data mapping tools.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance related to this error message.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_00001188 error message in your SAP environment.