GoBattleSim doesn't work on my setting

Tried GoBattleSim against mewtwo on rainy, Confusion-Thunderbolt. 2 players: player1 (154896) with 1 party, player2 (137426) with 2 parties. Cannot calculate, it kept popping "Something went wrong".

https://pokemongo.gamepress.gg/gobattlesim?%7B%22atkrSettings%22%3A%5B%7B%22party_list%22%3A%5B%7B%22pokemon_list%22%3A%5B%5D%2C%22revive_strategy%22%3Atrue%7D%5D%2C%22friend%22%3A%22ultra%22%7D%2C%7B%22party_list%22%3A%5B%7B%22pokemon_list%22%3A%5B%5D%2C%22revive_strategy%22%3Atrue%7D%2C%7B%22pokemon_list%22%3A%5B%5D%2C%22revive_strategy%22%3Atrue%7D%5D%2C%22friend%22%3A%22ultra%22%7D%5D%2C%22dfdrSettings%22%3A%7B%22name%22%3A%22mewtwo%22%2C%22fmove%22%3A%22confusion%22%2C%22cmove%22%3A%22thunderbolt%22%2C%22raid_tier%22%3A5%7D%2C%22generalSettings%22%3A%7B%22weather%22%3A%22SNOW%22%7D%7D