: Go to Settings > Storage within Minecraft. Look for "Cached Data" or specific resource packs and delete them. This often forces the game to redownload and properly apply the packs.
Are you seeing a specific like "Resources failed to load previously," or is the menu simply crashing when you open it? Mojira - Issue MCPE-39045 - Mojang - Minecraft ANOTHER Issue on Minecraft Xbox... Global Resou...
: Ensure your Xbox has enough free space; full storage can prevent resource packs from downloading or loading correctly. : Go to Settings > Storage within Minecraft
: If you are the owner, try toggling the "Require players to accept resource packs to join" setting off and on several times in the world's settings. ANOTHER Issue on Minecraft Xbox... Global Resou...