added chest and chest spawners but they don't always show up?

scripts/LevelManager.gd

@@ -15,9 +15,11 @@ class_name level
 @onready var crown = preload("res://assets/crown.tscn")
 var dead_player = preload("res://assets/dead_cam.tscn")
 const DEAD_ANNOUNCE = preload("res://assets/dead_announce.tscn")
+const CHEST_1 = preload("res://chest1.tscn")
 
 var level_name
 var paused = false
+var chest_spawners = []
 var pickups = []
 
 var keys = []
@@ -32,6 +34,7 @@ var respawn_cam_rotation
 var respawn_rot
 var engine_time_scale_cache : float = 1.0
 
+
 # Called when the node enters the scene tree for the first time.
 func _ready():
 	level_name = self.get_name()
@@ -72,7 +75,7 @@ func _ready():
 	#global randomize function
 	randomize()
 	
-		
+	
 	#clear spawned in objects
 	for node in get_tree().get_nodes_in_group("spawned"):
 		node.queue_free()
@@ -82,6 +85,23 @@ func _ready():
 		enemy_hiveminds.append(node)
 	#count starting enemies
 	enemy_count()
+	
+	chest_spawners = get_tree().get_nodes_in_group("chest_spawner")
+	if chest_spawners.size() > 0:
+		for i in chest_spawners:
+			i.visible = false
+		
+		var number_chests = randi_range(1,gamemode.max_number_of_chests)
+		
+		while number_chests > 0:
+			var chest_loc = chest_spawners.pick_random()
+			var instance_chest = CHEST_1.instantiate()
+			print("SPAWNING CHEST AT : ",chest_loc.name)
+			instance_chest.global_position = chest_loc.global_position
+			instance_chest.global_rotation = chest_loc.global_rotation
+			get_tree().current_scene.add_child(instance_chest)
+			number_chests -= 1
+	
 
 func refresh_scene():
 	GameGlobals.health = gamemode.start_health