First of the server is using all the cmdparam from the vote object to show as text to all clients. This means it uses the echo in the end. I don't know where the error(?) is though. If ML needs to change or if the server is a bit bugged. I bet it's the server.

Secondly this is inaccurate...
manialive/libraries/DedicatedApi/Connection.php
Code: Select all
* indefinite; a ratio of '-1' means default; Voters values: '0' means only active players,
Code: Select all
-> DedicatedApi\InvalidArgumentException with code 0
ratio = -1