Error code

Can someone help me with this error code?

9D529E1FE2CCB328-0000000000009999-FDC61DC94EA5C989

we were playing WOC clubs 3v3 with a drop in who had left the game, we exited the Locker Room to get rid of them and then we received a message saying “INVALID GAME SESSION”. Come back on today and that is the Error code.