How To Fix W8155 - Object & could not be instantiated


W8155 - Overview

  • Message type: E = Error

  • Message class: W8 - Workflow: Expressions, data flow

  • Message number: 155

  • Message text: Object & could not be instantiated

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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.



    What else can you do?

    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

    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.

    You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.


W8155 - Details

  • The SAP error message:
    W8155: Object & could not be instantiated
    
    
    Cause: This warning message occurs when the SAP system tries to create an instance of a class (an object) but fails. The placeholder & is replaced by the class name that could not be instantiated. Common reasons include: The class does not exist in the system. The class is abstract or an interface and cannot be instantiated directly. The class has no public constructor or the constructor raises an exception. Missing or incorrect parameters when calling the constructor. The class is not active or has syntax errors. Authorization issues preventing object creation. Runtime errors during the instantiation process.
    Solution: To resolve this issue, you can take the following steps: Check the Class Name: Verify that the class name used in the code is correct and exists in the system (transaction SE24). Check Class Type: Ensure the class is not abstract or an interface. Only concrete classes can be instantiated. Check Constructor: Verify that the class has a public

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