The OP has a 2004 Rockwood(unknown model).
So it's a manual awning.
Dan-Retired California Firefighter/EMT
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
Thanks for the reply Dan. However I found the culprit. Out of frustration I just used a big screwdriver to pry it and it popped out. See the picture, this pin was sticking out and preventing the arm from clearing. So I just tapped it flush and so far so good !