3032806 - Ping error of consumer proxy in SOAMANAGER -> Web Service configuration

Click "Ping" button in SOAMANAGER -> Web Service Configuration -> <Consumer Proxy>

SRT: Processing error in Internet Communication Framework: ("connection to partner broken").

In SRT_UTIL,

-ERROR_CONTEXT 
--ERROR_INFO 
---SOAP_FAULT 
--->xmlns:soap http://schemas.xmlsoap.org/soap/envelope/
----faultcode soap:Server
----faultstring String index out of range: -1
--CONSUMER_INFO 
---INTERFACE_NAME TxServicePortType
---INTERFACE_NAMESPACE http://server.xfire.xerp.nstc.com
---CONSUMER_PROXY <Consumer Proxy Name>
---LOGICAL_PORT <Logical Port Name>

SAP Netweaver System

Ping, SPROXY_START, curl, String index out of range, connection to partner broken , KBA , BC-ESI-WS-ABA , Web Service and SOAP - ABAP , Problem