SUM Version Info: Not Found

I run http://local:1128/lmsl/sumabap/<SID>/doc/sluigui, the error is SUM Version Info: Not Found

then,messages are:

Internal error occurred.
Error Details :

Status Code : 500

Status text : Internal Server Error

Detailed Message : Message from service : <?xml version="1.0" encoding="UTF-8"?><SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:SAPControl="urn:SAPControl" xmlns:SAPCCMS="urn:SAPCCMS" xmlns:SAPHostControl="urn:SAPHostControl" xmlns:SAPOscol="urn:SAPOscol" xmlns:SAPDSR="urn:SAPDSR"><SOAP-ENV:Body><SOAP-ENV:Fault SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><faultcode>SOAP-ENV:Client</faultcode><faultstring>HTTP Error: 'Internal Server Error'</faultstring><SOAP-ENV:Code></SOAP-ENV:Code></SOAP-ENV:Fault></SOAP-ENV:Body></SOAP-ENV:Envelope> ,| Check the browser console for more information.

York Liu

thanks