How To Fix /BOBF/CONF428 - Implementation of LOCK action must inherit from &1 (&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/CONF -

• Message number: 428

• Message text: Implementation of LOCK action must inherit from &1 (&2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/CONF428 - Implementation of LOCK action must inherit from &1 (&2) ?

  The SAP error message /BOBF/CONF428 indicates that there is an issue with the implementation of the LOCK action in a Business Object Framework (BOF) scenario. This error typically arises when the implementation of the LOCK action does not properly inherit from the expected base class or interface.
  Cause:
  
  Incorrect Inheritance: The implementation of the LOCK action in your business object does not inherit from the required base class or interface. This can happen if the class is not correctly defined or if the inheritance structure is not properly set up.
  Missing Implementation: The LOCK action may not be implemented at all, or it may be implemented incorrectly.
  Configuration Issues: There may be configuration issues in the Business Object Framework that prevent the correct inheritance from being recognized.
  
  Solution:
  
  Check Inheritance: Verify that the class implementing the LOCK action correctly inherits from the specified base class or interface. You can do this by checking the class definition in the ABAP Workbench (transaction SE80 or SE24).
  Implement LOCK Action: If the LOCK action is not implemented, you need to implement it according to the specifications of the base class or interface. Ensure that all required methods and properties are correctly defined.
  Review Configuration: Check the configuration of the Business Object Framework to ensure that it is set up correctly. This may involve reviewing the configuration settings in the relevant customizing transactions.
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as there may be fixes or enhancements related to the Business Object Framework.
  
  Related Information:
  
  Business Object Framework (BOF): This is a framework in SAP that allows for the creation and management of business objects, including their lifecycle and actions (like LOCK, UNLOCK, etc.).
  ABAP Workbench: Use the ABAP Workbench (SE80) to navigate to the relevant business object and check its implementation.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional guidance.
  Documentation: Refer to the official SAP documentation for the Business Object Framework for more details on implementing actions and the expected inheritance structure.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert who specializes in the Business Object Framework.