Hi,
From the screenshot it looks like a firewall problem. Could you please try the steps suggested in the below SAP note and see if it is working.
1642091 - "An error occured at session creation." when launching Web Intelligence Rich Client(https://websmp230.sap-ag.de/sap(bD1lbiZjPTAwMQ==)/bc/bsp/sno/ui_entry/entry.htm?param=69765F6D6F64653D3030312669765F7361706E6F7465735F6E756D6265723D3136343230393126)
How to enable tracing in client application is explained in the below note
"1586166 - How to enable tracing for BI4.0 client applications"
Thanks
Sambit