Hello everyone, this is Troubleshooter development team.
We received reports that newly updated violent case cannot be started in China server.
The development team made hotfix for the recent update and apply them to Steam server last night about 7 P.M. ( GMT + 9 )
We expect that this made the issue.
The development team is trying to find out the cause .
We'll do our best to fix it as fast as we can.
We're sorry for the inconveniences.
Thank you.