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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Smart SAP Assistant

• 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