When i was placing gravel on the ground, it sometimes duplicates. This was on a realm world so maybe its the lag or something idk. Also, whenever you try to move the duplicated resuilt item it just stays in the hotbar slot and you cannot move it. You cannot place the gravel either. Screen recording here: https://drive.google.com/file/d/1CWnKUazVT8CKuq29WnY-iYV__diNcE49/view?usp=drivesdk