anchor.diff:  
   		if("edit_job")
   			edit_job_target = href_list["job"]
  +			if(job_master.GetJob(edit_job_target) == null)
  +				edit_job_target = ""
   
   		if("return")
   			if(edit_job_target != "")
  
positive.code: 	var/time_last_closed_position = 0
  	//Jobs you cannot open new positions for
  	var/list/blacklisted = list(
  		"Captain",
  		"Head of Personnel",
  		"Head of Security",
  
negative.code: 		if("make_job_available")
  			// MAKE ANOTHER JOB POSITION AVAILABLE FOR LATE JOINERS
  			var/datum/job/j = job_master.GetJob(edit_job_target)
  
  			if(!j)
  				return 0
  			if(!can_open_job(j.title))
  				return 0
  
  			j.total_positions++
  			opened_positions[edit_job_target]++;
  
  		if("make_job_unavailable")
  			// MAKE JOB POSITION UNAVAILABLE FOR LATE JOINERS
  			var/datum/job/j = job_master.GetJob(edit_job_target)
  
  			if(!j)
  				return 0
  			if(!can_close_job(j.title))
  				return 0
  
  			//Allow instant closing without cooldown if a position has been opened before
  			if(opened_positions[edit_job_target] > 0)
  