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: Failed to validate setting "/mob/living/simple_animal/slime 0" for multiplicative_movespeed
proc name:  stack trace (/proc/_stack_trace)
  source file: code/__HELPERS/stack_trace.dm,4
  usr: (src)
  src: null