Bug in trade, não consigo comprar skins

Bug in trade
There was an error sending your trade offer. Please try again later.

Cr4sH wager.gg csgoloto.com is not available to trade. More information will be shown to Cr4sH wager.gg csgoloto.com if they invite you to trade.

Hey, try to purchase your items from another seller, it may resolve your problem.
If not, please, let me know.