Can you check your ServerClass value. Is it set to "com.syclo.agentry.Server" or did you update to the "com/syclo/sap/sflight/server/Server", also you need to have enableAuthentication=true
Also, in your JavaBE.ini in the [SERVICE_LOGON] section you need to have a valid user for the following values:
UID=
UPASSWORD=