I have a dining table that has developed a crack in one of the legs, before I call Stickley I was wondering if anyone has any experience or advice in dealing with them?

I bought the dining table a couple of years ago and it is a pedestal curved leg design. I noticed the other day one side dips down when you push on it and looking underneath, one of the curved legs has a crack where it meets the frame that is letting it move around and I expect it will just get worse. The table looks like this and the vertical crack is in the part where it meets that middle support:

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