Quote Originally Posted by olegoat345 View Post
Try a small plastic pry bar in the crack, turn the key & bump / bang the bag door w/ the bottom of your closed fist, push on the pry bar all at the same time. You'll need help / extra hand..... chances are there something in the latch.
I had a similar issue a couple years ago and solved it with the above method and spraying silicone lube into the gap around the gaskets..Let it set for a few minutes and "walla" no problems since....