Beds and chests became invisable

Somehow when ı started playing game my chests and beds became invisable. You can use bed but you cant see it also ı cant open my chests. When ı try to get chest ı just get chest and there wasnt anythink from chest ı been playing for this world more than 1 year and there were diamonds and a lot of foods but now ı couldn’t do anythink . I hope that you can help me( ı now it seems lİke its written by a child but its not actually ım turkish if you couldn’t understand the problem just reply .