After timer, hit join prompt to enter Aram game. Screen was devoid of team or champ info see pic
As stated in title, I simply entered the game pool for an Aram match (solo) and when my game was available, I hit the join prompt. Immediately after, the border of the screen was intact, but the entirety of the game data was blacked out. Rather than enter a game with trash runes/masteries for whatever champ I was dealt, I closed the game and received the "left champ select" penalty of 15 minutes.
In that 15 minutes I supafly kicked a would be murderer, put out a building fire, and saved 3 kittens from certain peril. Hopefully you can fix this issue. If not, the arsonist, and whoever endangered those kittens will have some "splaining to do." If they are the same person, heaven help them.