Painting Table charging rubies in Realm

IGN: ClifPlays
Proxy: proxy-686668b8c5-rnmd4
Server: realm-gh75b-x8z6h

I was painting different colored furniture to a uniform color so they would stack in my storage, and I noticed that now the Painting Table I purchased was charging me rubies for using it, when as I understand it that shouldn't be the case.