Heres what's wrong
Have you recently installed a texture pack? There are a few reports I've seen (JIRA) where bugs on certain devices/texture packs that cause this issue.
Minecraft - Java & Bedrock
Realm : Mostly Harmless
Always looking for mature, adult players to expand the horizons with. PM me here or on Xbox Live to discuss playing with us (XBLGT : SigmaDan)