From e5c7d46997e53ffca3c52d376f564f78f6cdaf6e Mon Sep 17 00:00:00 2001
From: Emmanouil Papadeas <35376950+OverloadedOrama@users.noreply.github.com>
Date: Fri, 6 Dec 2024 15:16:01 +0200
Subject: [PATCH] Fix crash when saving a loaded pxo file that has tilesets

---
 src/Classes/Layers/LayerTileMap.gd | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Classes/Layers/LayerTileMap.gd b/src/Classes/Layers/LayerTileMap.gd
index c70ba91af..2b3cdf3f9 100644
--- a/src/Classes/Layers/LayerTileMap.gd
+++ b/src/Classes/Layers/LayerTileMap.gd
@@ -16,7 +16,7 @@ var tileset: TileSetCustom
 func _init(_project: Project, _tileset: TileSetCustom, _name := "") -> void:
 	super._init(_project, _name)
 	tileset = _tileset
-	if not project.tilesets.has(tileset):
+	if not project.tilesets.has(tileset) and is_instance_valid(tileset):
 		project.add_tileset(tileset)