How To Fix SOS_MAPPING154 - The attribute is not a reference in the defined superclass

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 154

• Message text: The attribute is not a reference in the defined superclass

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SOS_MAPPING154 - The attribute is not a reference in the defined superclass ?

  The SAP error message SOS_MAPPING154 indicates that there is an issue with the mapping of attributes in a class hierarchy, specifically that an attribute you are trying to reference in a subclass is not defined as a reference in the superclass. This typically occurs in the context of Object-Oriented Programming (OOP) in ABAP, particularly when dealing with class inheritance and attribute visibility.
  Cause:
  
  Attribute Definition: The attribute you are trying to access in the subclass is not defined in the superclass. In OOP, subclasses can only access attributes that are defined in their superclass.
  Visibility: The attribute might be defined in the superclass but is not visible to the subclass due to its visibility modifier (e.g., PRIVATE).
  Incorrect Mapping: If you are using a mapping tool or framework, the mapping might be incorrectly set up, leading to this error.
  
  Solution:
  
  
  Check Superclass Definition: Ensure that the attribute you are trying to reference in the subclass is defined in the superclass. If it is not, you need to add it to the superclass.
  
  
  Adjust Visibility: If the attribute is defined in the superclass but is marked as PRIVATE, consider changing its visibility to PROTECTED or PUBLIC so that it can be accessed by subclasses.
  
  
  Review Mapping Configuration: If you are using a mapping tool, check the configuration to ensure that the mappings are correctly set up and that the attributes are correctly referenced.
  
  
  Code Review: Review the code in both the superclass and subclass to ensure that the inheritance structure is correctly implemented and that there are no typos or logical errors in the attribute names.
  
  
  Documentation: Refer to the SAP documentation for Object-Oriented ABAP to understand the rules of inheritance and visibility, which can help clarify how attributes should be defined and accessed.
  
  
  Related Information:
  
  ABAP Object-Oriented Programming: Understanding the principles of OOP in ABAP, including class definitions, inheritance, and visibility modifiers, is crucial for resolving this error.
  SAP Notes and Community: Check SAP Notes for any known issues or updates related to this error message. The SAP Community forums can also be a valuable resource for finding solutions from other developers who may have encountered similar issues.
  Debugging: Use the ABAP debugger to step through the code and identify where the error occurs, which can provide additional context for resolving the issue.
  
  By following these steps, you should be able to identify the cause of the SOS_MAPPING154 error and implement the appropriate solution.