SXI_CACHE error

Hi everyone,
When i execute SXI_CACHE, i have the error below.
1)
Unable to refresh cache contents
Error during last attempt to refresh cache
2)
Start Delta Cache and Start Complete Cache Refresh are disabled in XI Runtime Cache Menu.
3)
Log error show:
Error in BUSINESS_SYSTEM: NO INTEGRATION SERVER
Then, i go in Go To/Adapter Engine Cache menu and dont existe anything INTEGRATION SERVER in List.
Can anybody help me?

Hi pal,
1. the result after I run this url:
- <SOAP:Envelope xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP:Header />
- <SOAP:Body>
- <SOAP:Fault xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
<faultcode>SOAP:Client</faultcode>
<faultstring>Empty HTTP request received</faultstring>
<faultactor>http://sap.com/xi/XI/Message/30</faultactor>
- <detail>
- <SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="1">
<SAP:Category>XIProtocol</SAP:Category>
<SAP:Code area="MESSAGE">EMPTY_HTTP_REQUEST_RECEIVED</SAP:Code>
<SAP:P1 />
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>Empty HTTP query received; message processing not possible</SAP:Stack>
</SAP:Error>
</detail>
</SOAP:Fault>
</SOAP:Body>
</SOAP:Envelope>
2. After running SLDCHECK:
Calling function LCR_GET_BS_DETAILS
Retrieving data from the SLD server...
Function call terminated sucessfully
Details of own business system INTEGRATION_SERVER_X11
caption = INTEGRATION_SERVER_X11
product = SAP NETWEAVER
IS-URL = http://g6-ml370:8000/sap/xi/engine?type=entry
3. After running SXI_CACHE:
Goto->Adapter Engine Cache: the two errors above appear, and the list is empty
Goto->Call Integration Builder: XI webpage is called.
I think, everything is configured OK, but I still got the errors.
Thanks in advance

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