How To Fix WS_TOOL860 - Service Interface &1 is not a synchronous inbound interface

SAP Error Message - Details

• Message type: E = Error

• Message class: WS_TOOL - Message Class for Web Services and Virtual Endpoints

• Message number: 860

• Message text: Service Interface &1 is not a synchronous inbound interface

Self-Explanatory Message

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• What is the cause and solution for SAP error message WS_TOOL860 - Service Interface &1 is not a synchronous inbound interface ?

  SAP Error Message:
  
  WS_TOOL860 Service Interface &1 is not a synchronous inbound interface
  
  Cause
  This error occurs when you try to use a service interface in a scenario or tool that requires the interface to be defined as a synchronous inbound interface, but the interface you specified is not configured as such.
  In SAP PI/PO (Process Integration / Process Orchestration) or SAP Web Services context, service interfaces can be defined as:
  
  Synchronous inbound
  Asynchronous inbound
  Outbound (sync or async)
  
  If you attempt to use a service interface in a synchronous inbound context (for example, in a synchronous proxy or synchronous web service call) but the interface is defined as asynchronous inbound or outbound, the system raises this error.
  
  Explanation
  
  Service Interface &1: The placeholder &1 will be replaced by the actual name of the service interface.
  The system expects the interface to be synchronous inbound because the operation or tool you are using requires it.
  If the interface is asynchronous inbound or outbound, it cannot be used in this context.
  
  
  Solution
  
  
  Check the Interface Definition:
  
  Go to the Enterprise Services Repository (ESR).
  Open the service interface &1.
  Verify the Interface Pattern and Direction.
  Confirm if it is defined as Synchronous Inbound.
  
  
  
  If the Interface is Not Synchronous Inbound:
  
  If you need a synchronous inbound interface, you must either:
  
  Use a different interface that is synchronous inbound.
  Or create a new synchronous inbound interface that meets your requirements.
  
  
  
  
  
  Adjust the Scenario or Tool Usage:
  
  If the interface is asynchronous inbound or outbound, adjust your scenario or tool to use the interface accordingly.
  For example, if you are using a synchronous proxy, switch to an asynchronous proxy or vice versa.
  
  
  
  Regenerate or Re-import the Interface:
  
  Sometimes, the interface metadata might be outdated or incorrectly imported.
  Re-import or regenerate the interface metadata to ensure correct interface pattern and direction.
  
  
  
  Check the Communication Channel and Configuration:
  
  Ensure that the communication channel and receiver determination are consistent with the interface type.
  For synchronous inbound interfaces, the communication channel must support synchronous communication.
  
  
  
  
  Related Information
  
  SAP Note: Check SAP Notes related to WS_TOOL860 for any specific patches or updates.
  SAP Help Portal: Refer to the SAP PI/PO documentation on service interface types and their usage.
  Transaction Codes:
  
  SXMB_IFR - Integration Repository (to check service interfaces)
  SPROXY - Proxy Builder (to check proxy interfaces)
  
  
  Interface Patterns:
  
  Synchronous Inbound: The system waits for a response immediately.
  Asynchronous Inbound: The system processes the message without waiting for an immediate response.
  
  
  Common Scenarios:
  
  Using an asynchronous interface in a synchronous proxy call.
  Trying to generate a synchronous proxy for an asynchronous interface.
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error Cause
  Service interface is not synchronous inbound but is used in a synchronous inbound context.
  
  
  Solution
  Use or create a synchronous inbound interface; adjust scenario or tool usage accordingly.
  
  
  Check
  Interface definition in ESR, communication channel settings, scenario design.
  
  
  
  
  If you provide the exact context (e.g., tool or transaction where the error occurs), I can help with more specific steps.