Note: The source file, src and usr are all from the FIRST of the identical runtimes. Everything else is cropped.

Total unique runtimes: 1
Total runtimes: 1

** Runtimes **

The following runtime has occurred 1 time(s).
runtime error: bad client
proc name: initialize (/datum/tgui_window/proc/initialize)
  source file: code/modules/tgui/tgui_window.dm,121
  usr: null
  src: /datum/tgui_window (/datum/tgui_window)