How To Fix ESH_IF_INA023 - Service &2: interface &1 has several implementations

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_IF_INA - ES-InA-Adapter: Messages

• Message number: 023

• Message text: Service &2: interface &1 has several implementations

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_IF_INA023 - Service &2: interface &1 has several implementations ?

  The SAP error message ESH_IF_INA023 indicates that there is an issue with the interface implementation in the context of the Enterprise Search (ESH) framework. Specifically, it means that the system has found multiple implementations for a given interface, which can lead to ambiguity in how the system should behave.
  Cause:
  The error occurs when:
  
  There are multiple classes or components that implement the same interface.
  The system is unable to determine which implementation to use for a specific service or operation.
  This can happen due to configuration issues, incorrect coding, or changes in the system that have not been properly managed.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Implementations:
  
  Use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to check the interface and its implementations.
  Look for all classes that implement the interface in question.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the ESH framework to ensure that only one implementation is active or that the correct one is specified.
  If multiple implementations are necessary, ensure that the system is configured to handle them appropriately.
  
  
  
  Adjust Code:
  
  If you have custom implementations, review the code to ensure that it adheres to best practices and does not conflict with other implementations.
  You may need to modify or remove redundant implementations.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific interface and its implementations for any known issues or recommendations.
  
  
  
  Testing:
  
  After making changes, thoroughly test the system to ensure that the error is resolved and that the correct implementation is being used.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide deeper insights into the specific implementation and configuration.
  
  
  
  Related Information:
  
  Transaction Codes: SE80, SE11, SE37 (for function modules), SE24 (for classes).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on best practices for interface implementations.
  Documentation: Review the SAP Help Portal for information on Enterprise Search and interface management.
  
  By following these steps, you should be able to identify the cause of the ESH_IF_INA023 error and implement a solution to resolve it.