Overflow when contributing materials

Logs & Sys Info: WeTransfer - Send Large Files & Share Photos Online - Up to 2GB Free

I don’t have much to say on steps, I selected Rookery Elevator and Caroline’s Inn and clicked Contribute All. I had 0 Pine Wood, but 4 copper ore. Image attached shows the overflow. I believe its a visual bug, I don’t believe it actually saved anything when I exit and reenter.