How To Fix CNV_IUUC_REPL_ADV_SE199 - The data type of the reference field must be &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPL_ADV_SE - MEssage class for package CNV_IUUC_REPL_ADV_SETTINGS

• Message number: 199

• Message text: The data type of the reference field must be &1.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPL_ADV_SE199 - The data type of the reference field must be &1. ?

  The SAP error message CNV_IUUC_REPL_ADV_SE199 typically occurs during data replication or transformation processes, particularly in the context of SAP Landscape Transformation (SLT) or data migration scenarios. This error indicates that there is a mismatch in the data types of the reference field being used in the operation.
  Cause:
  The error message "The data type of the reference field must be &1" suggests that the data type of a field being referenced does not match the expected data type defined in the target system or the transformation logic. This can happen due to several reasons, including:
  
  Data Type Mismatch: The source and target systems have different definitions for the same field, leading to a mismatch in data types.
  Incorrect Mapping: During the data mapping process, the field may have been incorrectly mapped to a field with a different data type.
  Changes in Data Model: If there have been changes in the data model (e.g., field type changes) in either the source or target system, it can lead to this error.
  Configuration Issues: Incorrect configuration settings in the SLT or data replication settings can also lead to this error.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Data Types: Verify the data types of the fields in both the source and target systems. Ensure that they match as expected. You can do this by checking the data dictionary (SE11) for the relevant tables and fields.
  
  
  Review Mapping: If you are using a mapping tool or transformation logic, review the mapping configuration to ensure that the fields are correctly mapped to compatible data types.
  
  
  Adjust Data Model: If there have been changes in the data model, you may need to adjust the data types in the target system to align with the source system or vice versa.
  
  
  Update SLT Configuration: If the error is occurring in an SLT scenario, check the SLT configuration settings. Ensure that the replication settings are correctly defined and that any necessary adjustments are made.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional guidance and troubleshooting steps.
  
  
  Testing: After making the necessary adjustments, perform a test replication or data load to ensure that the error has been resolved.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary), SLT configuration transactions, or others relevant to your specific scenario.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error.
  Community Forums: Consider searching or posting in SAP community forums for additional help from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_IUUC_REPL_ADV_SE199 error message.