Managed system config-Byte code installation issue

Hi,

We are facing issue in byte installation issue in managed system configuration in configure automatically step. The error is 

SOAP:1.007 SRT: Unsupported xstream found: ("HTTP Code 500 : Internal Server Error")

The solman is 7.1 SP8 and the managed system is Enterprise Portal 7.0 with multiple instances, I have already cheked the note 1396999 and my LM SERVICE  is uptodate.

Please help in fixing this.

Thanks,

Karthik