How To Fix PG449 - Note: Conversion class &1 must be encoded manually.


SAP Error Message - Details

  • Message type: E = Error

  • Message class: PG - Error Messages for Master Data Programs

  • Message number: 449

  • Message text: Note: Conversion class &1 must be encoded manually.

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  • What causes this issue?

    The program PM01 generates only the empty conversion class with the
    correct interface.

    System Response

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    How to fix this error?

    The conversion class converts the data saved in the database (PS
    structure) into the data displayed on the screen (screen structure) and
    vice versa. The conversions are infotype-specific and cannot be
    generated. For information about programming, see the document "UI
    Programming Guidelines for Infotypes" in the Knowledge Warehouse. (See
    also the application help (PM01).)

    Procedure for System Administrators


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message PG449 - Note: Conversion class &1 must be encoded manually. ?
    The SAP error message PG449, which states "Conversion class &1 must be encoded manually," typically occurs in the context of data conversion or data transfer processes within SAP systems. This error indicates that the system has encountered a conversion class that cannot be automatically handled and requires manual intervention.
    
    Cause: Custom Conversion Classes: The error often arises when a custom conversion class is used that the system does not recognize or cannot automatically encode. Missing Encoding Logic: The conversion class may lack the necessary encoding logic or methods that are required for the system to process it. Data Type Mismatch: There may be a mismatch between the expected data type and the actual data being processed, leading to the inability to convert automatically.
    Configuration Issues: Incorrect configuration settings in the data transfer or conversion process can also lead to this error.
    Solution: Manual Encoding: As the error suggests, you will need to manually encode the conversion class.

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