On Sunday, 14 April 2019 15:44:04 UTC+1, Jim wrote:
replying to Fred, Jim wrote:

I have just had the same problem. I slid a small Alan key under the panel and
turned it so the L was pointing up behind the panel. With a strong pair of
grips I got slot of purchase and was able to drag the panel out.

Maybe he's waited 12 years to hear that.