I have the same issue, I'm on a MacBook with OSX Tahoe 25.6.1 and using an external Apple keyboard with numpad. Using the numpad it appends the string.

Yeah great! It seems to work in .28 Thnx for the reply and quick fix!

Yeah, it's base game PVP. We wanted to have different spawns but still be on the same team..

Here's the save: https://we.tl/t-reQl09z0Xf

2020-05-27 00:15:31 [LEAVE] Kiklov left the game
403.191 Error MainLoop.cpp:1205: Exception at tick 17084510: The scenario level caused a non-recoverable error.
Please report this error to the scenario author.

Error while running event level::on_player_left_game (ID 44)
Unknown style close_button ...

When you connect an Electric Miner to a circuit network and mouse over, the ore beneath the miner changes color.