ArgumentOutOfRangeException: Value must be positive and below the buffer height. Parameter name: topSolved
In response to stuu ():
Mine is on ubuntu with docker running the didstopia/rust-server image. 

I applied your Ch...
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For those having this issue, please try with the setting chat.serverlog set to 0 or false (not while running any chat plugins like the one in this thread).

Edit: Pushed a build to fix the issue with native Rust chat on Linux servers. (just removed a line of code from Rust)
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