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How To Fix SOS_MAPPING149 - A transient attribute, &, already exists in the superclass


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SOS_MAPPING - Object Services: Persistence Mapping for Messages

  • Message number: 149

  • Message text: A transient attribute, &, already exists in the superclass

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  • Self-Explanatory Message

    Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

    To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

    Unfortunately, there isn't any extra information in this error notice.



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    Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

  • What is the cause and solution for SAP error message SOS_MAPPING149 - A transient attribute, &, already exists in the superclass ?

    The SAP error message SOS_MAPPING149 indicates that there is a conflict in the definition of transient attributes in the context of class inheritance. Specifically, it means that a transient attribute with the same name already exists in the superclass of the class you are working on. This can occur when you are trying to define a transient attribute in a subclass that has already been defined in its superclass.

    Cause:

    1. Duplicate Definition: You are trying to define a transient attribute in a subclass that has already been defined in the superclass.
    2. Inheritance Issues: The subclass is inheriting from a superclass that already has a transient attribute with the same name, leading to a conflict.

    Solution:

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

    1. Check Superclass Definition: Review the definition of the superclass to see if the transient attribute is already defined there. If it is, you do not need to redefine it in the subclass.

    2. Rename the Attribute: If you need a different transient attribute in the subclass, consider renaming the attribute in the subclass to avoid the conflict.

    3. Remove Redundant Definition: If the transient attribute in the subclass is not necessary, you can remove it to resolve the conflict.

    4. Use Proper Inheritance: Ensure that you are using inheritance correctly. If the attribute in the superclass is meant to be overridden or extended, consider using methods or other mechanisms to achieve the desired functionality without redefining the attribute.

    Related Information:

    • Transient Attributes: In SAP ABAP, transient attributes are used to define attributes that are not stored in the database but are used for temporary data handling during the runtime of an application.
    • Class Inheritance: Understanding how class inheritance works in ABAP is crucial. When a subclass inherits from a superclass, it inherits all the attributes and methods of the superclass, which can lead to conflicts if not managed properly.
    • ABAP Documentation: Refer to the official SAP documentation for more details on class definitions, inheritance, and transient attributes to better understand how to manage these scenarios.

    By following these steps, you should be able to resolve the SOS_MAPPING149 error and ensure that your class definitions are correctly structured.

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