How To Fix SHMA084 - The root data class does not implement IF_SERIALIZABLE_OBJECT.

SAP Error Message - Details

• Message type: E = Error

• Message class: SHMA - Shared Objects: Management Messages

• Message number: 084

• Message text: The root data class does not implement IF_SERIALIZABLE_OBJECT.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SHMA084 - The root data class does not implement IF_SERIALIZABLE_OBJECT. ?

  The SAP error message SHMA084 indicates that there is an issue with the serialization of a data class in the context of the SAP system. Specifically, it means that the root data class does not implement the interface IF_SERIALIZABLE_OBJECT, which is required for certain operations, particularly when dealing with serialization in the context of the SAP Business Application Programming Interface (BAPI) or when using certain frameworks that require objects to be serializable.
  Cause:
  
  Missing Interface Implementation: The root data class that is being used does not implement the IF_SERIALIZABLE_OBJECT interface. This interface is necessary for the class to be serialized properly.
  Incorrect Class Design: The class may not have been designed with serialization in mind, or it may have been created without considering the requirements of the framework or application that is trying to use it.
  Incompatibility with Frameworks: If the class is being used in a context that requires serialization (e.g., remote function calls, BAPIs, etc.), and it does not implement the required interface, this error will occur.
  
  Solution:
  
  
  Implement the Interface: Modify the root data class to implement the IF_SERIALIZABLE_OBJECT interface. This involves adding the necessary methods defined in the interface to ensure that the class can be serialized correctly.
  CLASS your_class_name DEFINITION
    INHERITING FROM your_parent_class
    FINAL
    CREATE PUBLIC.
    PUBLIC SECTION.
      INTERFACES if_serializable_object.
      ...
    PROTECTED SECTION.
    PRIVATE SECTION.
  ENDCLASS.
  
  
  Check Class Hierarchy: Ensure that all classes in the hierarchy that need to be serialized also implement the necessary interfaces. If the root class is not serializable, subclasses will also face issues.
  
  
  Review Serialization Requirements: If the class is being used in a specific context (like a BAPI), review the documentation for that context to ensure that all requirements for serialization are met.
  
  
  Testing: After making changes, thoroughly test the class to ensure that it behaves as expected and that the serialization works correctly.
  
  
  Related Information:
  
  Serialization in ABAP: Serialization is the process of converting an object into a format that can be easily stored or transmitted and then reconstructed later. In ABAP, this is often done for data transfer between different systems or layers.
  IF_SERIALIZABLE_OBJECT Interface: This interface defines methods that must be implemented for an object to be serializable. It typically includes methods for saving and restoring the state of the object.
  SAP Documentation: Refer to the official SAP documentation for more details on serialization, the IF_SERIALIZABLE_OBJECT interface, and best practices for designing classes in ABAP.
  
  By addressing the implementation of the IF_SERIALIZABLE_OBJECT interface in your class, you should be able to resolve the SHMA084 error and ensure that your data class can be serialized as required.