Halo reach main menu in customs

While 1 v 1ing a friend of mine i went into the pause menu and when i left i had main menu options appear on my hud and it was hindering gameplay, idk what caused it but heres some video proof

https://gameclipscontent-d3009.xboxlive.com/xuid-2535465147389835-private/dbd93f17-a46a-4bf8-b159-e312f11ec2ed.MP4?sv=2015-12-11&sr=b&si=DefaultAccess&sig=4o99GVx%2BPbh92KxRjPH4rRLAz6QvITlFZK%2Fr9em72Bg%3D&gda=1588302900_22cc26f10ad844dacc4ef77d57e66dbe