Can't withdraw skin csgo

already 3 days i can not withdraw my item.can you help me admin gameflip, moderator. Refund my item

Code: KHV5BS

Item : AK-47 | Neon Revolution (Field-Tested)

Item missing. See https://steamerrors.com/26

26 Revoked

VALVE’S COMMENTS
Access has been revoked (used for revoked guest passes)
TRADE OFFERS
You may receive this result when sending, accepting, declining, or canceling a trade offer. Below is an explanation of what this result means in this context.

This response code suggests that one or more of the items in this trade offer does not exist in the inventory from which it was requested."

Please, contact us at support@gameflip.com, so we can properly check your listing and help you further?

Thanks!