MM32f0020

I am currently working a MM32F0020 mini board, this is a basic blinking led project ,the code is ok but when i compile it this erro is shown (.\Objects\last_final_try.sct(7): error: L6236E: No section matches selector - no section to be FIRST/LAST.).I searched the web and they said to chhose Device-Startup in run time enviroment,but it is not their.

pls help me to remove this errror.