Calling custom OAF page from JSP page in Oracle apps

Hi,
I am working on a requirement to call a Custom OAF page from a JSP page in Oracle apps 11.5.10.
I have registered the OAF page and defined a function for it. When we call this OAF page from JSP (without parameter), the page opens up
URL: http://APPSURL:8020/OA_HTML/RF.jsp?function_id=27221&resp_id=50312&resp_appl_id=515&security_group_id=0&lang_code=US
but as soon as I am trying to pass a parameter sr_id in the URL:
http://APPSURL:8020/OA_HTML/RF.jsp?function_id=27221&resp_id=50312&resp_appl_id=515&security_group_id=0&lang_code=US&sr_id=106
we are getting following error:
You are trying to access a page that is no longer active.
- The referring page may have come from a previous session. Please select Home to proceed.
Please let me know if someone has faced the same problem...
Thanks!!!

Hi,
Before calling a OAF page..from external JSP page...u need to set certain mandatory parameter like transaction Id and context.
Regards,
Gyan

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