Orange cube no ESC Drop Down

I would like to check with you on a issue i am having with the cube orange/ mission planner to see if you can lend some advice . I have everything working on the cube orange with the mission planner , compass, and GPS and when i connect everything is connected to mission planner but when i got to the part to calibrate the ESC the drop down for ESC Type was blank it would not drop down so i can chose options I have currently using the flame ESC can you give me any advice
Thanks for your help

What is your firmware version and vehicle type?

Can you share the screen shot for calibration part in mission planner?