GFI trips when something plugged in downstream
I searched but couldn't find how to fix this. I have a tiny kitchen, with 2 GFI outlets. One on each side of the kitchen. One side works fine. The other side has a GFI, and one more outlet over my counter top. GFI outlet works just fine, but anytime I plug something into the outlet next to it, the GFI trips. It can be anything at all, and it doesn't have to be turned out to trip the GFI. My house was flipped, but I met the electrician who did the work. He said this was "normal" (clearly, it's not). How can I fix this? What did he do wrong?
Thanks! I'm going nuts without this outlet!