Error in Smartform: No output request open.End not possible..

Hi all

I face given problem

"Error in Smartform: No output request open.End not possible.. "

my program is wrk for diff location n its wrking fine for other location but i faced dis problem for a new location .

i m not sure but may be its configuration level prob or message type setting .

Kindly help to solve .

Regards,

Ravi