Siebel Web server swecommon.js error

When access web server directly works fine on the same browser but when access it through F5 it showing this error after login page

 

swecommon_top.js

 

https://10.50.171.5:4443/ecommunications_enu/23030/scripts/swecommon.js

 

and can not see home page. Please tell what is the problem? how to solve it