Fixes a few runtimes (#23264)

* The fixes

* This probably has a worse underlying cause

* Update code/modules/paperwork/paper.dm

Co-authored-by: Contrabang <91113370+Contrabang@users.noreply.github.com>

* Cotnra review

* Contra review

* Removes nullcheck

---------

Co-authored-by: Contrabang <91113370+Contrabang@users.noreply.github.com>

code/modules/paperwork/paper.dm

@@ -102,7 +102,6 @@
 		return ..()
 
 /obj/item/paper/proc/rename(mob/user)
-
 	if(HAS_TRAIT(user, TRAIT_CLUMSY) && prob(50))
 		to_chat(user, "<span class='warning'>You cut yourself on the paper.</span>")
 		return

code/modules/surgery/organs_internal.dm

@@ -820,8 +820,7 @@
 		"[user] is beginning to cauterize the incision on [target]'s [zone] with \the [tool].",
 		"You are beginning to cauterize the incision on [target]'s [zone] with \the [tool]."
 	)
-	var/obj/item/organ/affected = target.get_organ(target_zone)
-	affected.custom_pain("Your [zone] is being burned!")
+	to_chat(user, "<span class='userdanger'>Your [zone] is being burned!</span>") // No custom pain because xenos are special
 	return ..()
 
 /datum/surgery_step/generic/seal_carapace/end_step(mob/living/user, mob/living/carbon/target, target_zone, obj/item/tool, datum/surgery/surgery)