Patch 9.18 TFT Unit Spawn Other Side

Server: NA

Type of Bug: Unit Spawning on My Side Replacing My Units

Description: The enemy Pantheon before the match on his board was on the other(enemy) side in the far bottom right. My Karthus was in the bottom right and when we faced each other my Karthus disappeared with his Pantheon being there instead.

Steps to reproduce: N/A I have no idea

Reproduction rate: Not sure. But cost me the game