# error，convertTilemapLayer

**URL:** <https://phaser.discourse.group/t/error-converttilemaplayer/13193>\
**Category:** Phaser 3\
**Created:** [April 24, 2023, 12:00am UTC](https://phaser.discourse.group/t/error-converttilemaplayer/13193 "2023-04-24T00:00:12Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![xiaohaodu](https://yyz2.discourse-cdn.com/free1/user_avatar/phaser.discourse.group/xiaohaodu/32/7578_2.png) [@xiaohaodu](https://phaser.discourse.group/u/xiaohaodu)\
**Post date:** [April 24, 2023, 12:00am UTC](https://phaser.discourse.group/t/error-converttilemaplayer/13193/1 "2023-04-24T00:00:12Z")

</div>

this.matter.world.convertTilemapLayer(tileLayer); **error**  
Uncaught TypeError: Cannot read properties of null (reading ‘parts’)  
at Body.scale (null:89523:46)  
at new MatterTileBody2 (null:85668:28)  
at World2.convertTiles (null:86840:23)  
at World2.convertTilemapLayer (null:86820:26)  
at GameScene.create (GameScene.js?t=1682254064993:24:27)  
at SceneManager2.create (null:108235:36)  
at SceneManager2.bootScene (null:108148:28)  
at SceneManager2.start (null:108692:26)  
at SceneManager2.processQueue (null:108008:37)  
at SceneManager2.update (null:108190:26)