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

Total unique runtimes: 4
Total runtimes: 228

** Runtimes **

The following runtime has occurred 170 time(s).
runtime error: Cannot read null.icon
proc name: rotate vis overlay (/datum/controller/subsystem/vis_overlays/proc/rotate_vis_overlay)
  source file: code/controllers/subsystem/vis_overlays.dm,90
  usr: 0
  src: Vis contents overlays (/datum/controller/subsystem/vis_overlays)


The following runtime has occurred 50 time(s).
runtime error: Cannot execute null.assume air().
proc name: ex act (/obj/machinery/portable_atmospherics/ex_act)
  source file: code/modules/atmospherics/machinery/portable/portable_atmospherics.dm,45
  usr: null
  src: the plasma canister (/obj/machinery/portable_atmospherics/canister/toxins)
  src.loc: null


The following runtime has occurred 7 time(s).
runtime error: addtimer called with a callback assigned to a qdeleted object. In the future such timers will not be supported and may refuse to run or run with a 0 wait
proc name: stack trace (/proc/stack_trace)
  source file: code/__HELPERS/unsorted.dm,1180
  usr: (src)
  src: null


The following runtime has occurred 1 time(s).
runtime error: Cannot execute null.air update turf().
proc name: air update turf (/atom/proc/air_update_turf)
  source file: code/modules/atmospherics/environmental/LINDA_system.dm,104
  usr: null
  src: Port Engineering (/obj/machinery/door/airlock/engineering/glass)
  src.loc: null