Game Shop bug

I tried to sell an item in the shop but it never got out of my inventory, tried to make a clip but the game apparently didn't save it. Was playing ezreal, mid game went to sell an item but it took a couple tries. Then end game went to sell d-blade and no matter how many ways I tried to sell it, popped back up in my inventory, tried changing slots, right clicking, double left click, clicking the button, leaving the shop and going back.