LEUDWZBM5Y6V5SCI4RYV5D5DB6PI3QSAZLAIKM5AWLOWIBBY52IAC
IFIPQDY4PK33J6ZG23UM72GJER33DCJEWYEV2PDJSA6P2SIXVSNAC
AM6J7DCX4WUM42ZO37VBOO7NX773WEPG7QYUUBSLSOUPEFXH4VOAC
S4P2B3FPF57HPHTIAYGMPCVKB7573IB5ZBKNXVBTB6ICCPF55WNQC
ZMJSFPLI2KQY7HW3KODWOLXNX5SYZ6EELP2XTDVW4XGCZRHFEBJQC
println('warning: room_alias failed for $room: $err')
msg = 'join failed: no room_alias exists for ${room}. ($err)'