Update status_effect.dm

code/datums/status_effects/status_effect.dm

@@ -52,6 +52,8 @@
 		qdel(src)
 
 /datum/status_effect/proc/on_apply() //Called whenever the buff is applied.
+	return TRUE
+
 /datum/status_effect/proc/tick() //Called every tick.
 /datum/status_effect/proc/on_remove() //Called whenever the buff expires or is removed; do note that at the point this is called, it is out of the owner's status_effects but owner is not yet null
 /datum/status_effect/proc/be_replaced() //Called instead of on_remove when a status effect is replaced by itself or when a status effect with on_remove_on_mob_delete = FALSE has its mob deleted