Hello Liew Yun,
Please try doing given in the support communities link; https://communities.bentley.com/communities/other_communities/sign-in_assistance_and_web_services/w/wiki/37080/script-error-when-you-start-the-connection-client
Regards,Abhishek
Hi, i've the same problem. I tried with the solution described but I can't log again
Thanks
Barbara