Baystation12/Baystation12 — pull request #7109 by Ccomp5950 (2014-11-22 08:12:12+00:00)
Title: Solves a runtime when someone tries to mop up blood.

proc name: afterattack (/obj/item/weapon/mop/afterattack)
source file: mop.dm,45
runtime error: undefined proc or verb /obj/effect/decal/cleanable/blood/tracks/footprints/clean().