Minecraft crashing while trying to access Realms settings tab.

When trying to open my Minecraft Realms settings tab, my game crashes and provides an error as follows: The game crashed whilst rendering screen
Error: java.lang.NullPointerException: Cannot invoke "java.awt.image.BufferedImage.getWidth()" because "☃" is null
Exit Code: -1

 I have also attached a video demonstrating this issue.