Something about a couple stack trace issues.

code/datums/beam.dm

@@ -61,7 +61,8 @@
 /datum/beam/proc/recalculate_in(time)
 	if(timing_id)
 		deltimer(timing_id)
-	timing_id = addtimer(CALLBACK(src, .proc/recalculate), time, TIMER_STOPPABLE)
+	if(!finished)
+		timing_id = addtimer(CALLBACK(src, .proc/recalculate), time, TIMER_STOPPABLE)
 
 /datum/beam/proc/after_calculate()
 	if((sleep_time == null) || finished)	//Does not automatically recalculate.

code/game/objects/items/grenades/chem_grenade.dm

@@ -117,7 +117,7 @@
 				if(!O.reagents)
 					continue
 				var/reagent_list = pretty_string_from_reagent_list(O.reagents)
-				user.log_message("removed [O] ([reagent_list]) from [src]")
+				user.log_message("removed [O] ([reagent_list]) from [src]", LOG_GAME)
 			beakers = list()
 			to_chat(user, "<span class='notice'>You open the [initial(name)] assembly and remove the payload.</span>")
 			return // First use of the wrench remove beakers, then use the wrench to remove the activation mechanism.