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How To Fix UC772 - Field types of receiver &1 and sender field &2 are incompatible


SAP Error Message - Details

  • Message type: E = Error

  • Message class: UC - FI/CO Data transfer: errors during transfer

  • Message number: 772

  • Message text: Field types of receiver &1 and sender field &2 are incompatible

  • Show details Hide details
  • What causes this issue?

    It is not possible to assign the sender field to the receiver field
    since the field types are incompatible. This applies, for example, to
    hex and character type fields.

    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?

    Change the sender field type and carry out the corresponding conversion
    when reading the data.

    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 UC772 - Field types of receiver &1 and sender field &2 are incompatible ?

    The SAP error message UC772 indicates that there is a type mismatch between the sender and receiver fields in a data transfer or mapping process. This typically occurs in scenarios involving data transfer between different systems, such as in IDocs, BAPIs, or when using the SAP Process Integration (PI) or Process Orchestration (PO) tools.

    Cause:

    The error arises when the data types of the fields being mapped do not match. For example:

    • The sender field might be defined as a character type (CHAR), while the receiver field is defined as a numeric type (NUMC).
    • The lengths of the fields may differ, causing incompatibility.
    • The sender field may be a structure or table type, while the receiver expects a simple data type.

    Solution:

    To resolve the UC772 error, you can take the following steps:

    1. Check Data Types: Review the data types of both the sender and receiver fields. Ensure that they are compatible. You can do this by checking the data dictionary (SE11) or the relevant structures in the ABAP Dictionary.

    2. Adjust Mapping: If you are using a mapping tool (like SAP PI/PO), ensure that the mapping is correctly configured. You may need to adjust the mapping to convert data types appropriately.

    3. Modify Field Definitions: If you have control over the data structures, consider modifying the field definitions to ensure compatibility. This may involve changing the data type or length of one of the fields.

    4. Use Conversion Functions: If the data types are inherently different but you need to transfer the data, consider using conversion functions in your mapping logic to convert the data from one type to another.

    5. Test the Changes: After making adjustments, test the data transfer again to ensure that the error is resolved.

    Related Information:

    • Transaction Codes: You may use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or WE60 (IDoc Documentation) to investigate the structures and mappings.
    • Documentation: Refer to SAP documentation for details on data types and structures, as well as best practices for data mapping.
    • Debugging: If the issue persists, consider using debugging tools to trace the data flow and identify where the mismatch occurs.

    By following these steps, you should be able to identify and resolve the incompatibility issue causing the UC772 error in SAP.

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