Frozen on Generating World's screen of Realm

Hello there, I want to state an issue regarding the frozen screen on Generating world of my realm over the Minecraft pocket edition. I did restart my device, delete all the cache data of my Minecraft but I'm still stuck at the generating world screen whenever I tried to log in my realm. My character in the game can be killed by my friend eventhough I'm still stuck at the loading screen. Please help me. Thank you for your time and helps.