Realm ghost blocks

• • I HAVE TURNED ON CHEATS TO SHOW IT BETTER ( ALSO WORKS IN SURVIVAL ) **

I have ordered a realm and after about a week the following started happening:

I am able to jump into blocks and glitch through them. At first I thought that that happens because me and my friends have overloaded the realm, but we haven't even played for a week.

 

Mojang please fix this Bug