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

Total unique runtimes: 6
Total runtimes: 21

** Runtimes **

The following runtime has occurred 15 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 o2 canister (/obj/machinery/portable_atmospherics/canister/oxygen)
  src.loc: null


The following runtime has occurred 2 time(s).
runtime error: Cannot execute null.cut random().
proc name: ex act (/mob/living/simple_animal/bot/mulebot/ex_act)
  source file: code/modules/mob/living/simple_animal/bot/mulebot.dm,146
  usr: null
  src: the MULEbot (#2) (/mob/living/simple_animal/bot/mulebot)
  src.loc: 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: the firelock (/obj/machinery/door/firedoor)
  src.loc: null


The following runtime has occurred 1 time(s).
runtime error: Invalid timer: Timer: Timer: 385329 ([0x21027219]), TTR: 422156, Flags: TIMER_STOPPABLE, callBack: [0x21011e78], callBack.object: /datum/beam[0x2100b3c2](/datum/beam), callBack.delegate:recalculate()Prev: NULL, Next: NULL, SPENT(422156), QDELETED, NO CALLBACK world.time: 422156, head_offset: 422155, practical_offset: 10
proc name: fire (/datum/controller/subsystem/timer/fire)
  source file: code/controllers/subsystem/timer.dm,133
  usr: null
  src: Timer (/datum/controller/subsystem/timer)


The following runtime has occurred 1 time(s).
runtime error: Invalid timer: Timer: Timer: 270567 ([0x21038410]), TTR: 321756, Flags: TIMER_STOPPABLE, callBack: [0x2100b327], callBack.object: /datum/beam[0x2100b1df](/datum/beam), callBack.delegate:recalculate()Prev: NULL, Next: NULL, SPENT(321755), QDELETED, NO CALLBACK world.time: 321756, head_offset: 321754, practical_offset: 12
proc name: fire (/datum/controller/subsystem/timer/fire)
  source file: code/controllers/subsystem/timer.dm,133
  usr: null
  src: Timer (/datum/controller/subsystem/timer)


The following runtime has occurred 1 time(s).
runtime error: Invalid timer: Timer: Timer: 435861 ([0x2103983f]), TTR: 476592, Flags: TIMER_STOPPABLE, callBack: [0x21039c4f], callBack.object: /datum/beam[0x2100edbc](/datum/beam), callBack.delegate:recalculate()Prev: NULL, Next: NULL, SPENT(476591), QDELETED, NO CALLBACK world.time: 476592, head_offset: 476590, practical_offset: 18
proc name: fire (/datum/controller/subsystem/timer/fire)
  source file: code/controllers/subsystem/timer.dm,133
  usr: null
  src: Timer (/datum/controller/subsystem/timer)