Did you maybe try with function "Write-off Prepayment"?
http://www.hansamanuals.com/main/english/mailnumber___3396/theconf___516/manuals/levelzero___3393/version___71/hwconvindex.htm
This is not the issue of upgrade SERP. But serverip.dat in this case contains the value: 192.168.88.12:1301, so this is local IP of the server with SERP.
Anyway I don't understand what do you me...