The problem occurred when I died and respawned back at my slept bed's coordinates.

-Context

   • I logged on to the realm at first and everything was normal up to the point I drowned and pressed respawn, this is where the problem occurred. I respawned at my slept bed's coordinates and when I did the textures were missing like when you put an outdated texture pack on minecraft aside from that I'm also unable to move or place blocks but I can still access my inventory and the menu.