# Marker Tracking Example Scene Problem

**URL:** <https://forum.magicleap.cloud/t/marker-tracking-example-scene-problem/2823>\
**Category:** Unity Development\
**Created:** [November 5, 2023, 10:02pm UTC](https://forum.magicleap.cloud/t/marker-tracking-example-scene-problem/2823 "2023-11-05T22:02:59Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![athanasios.melenikiotis](https://avatars.discourse-cdn.com/v4/letter/a/7ab992/32.png) [@athanasios.melenikiotis](https://forum.magicleap.cloud/u/athanasios.melenikiotis)\
**Post date:** [November 5, 2023, 10:02pm UTC](https://forum.magicleap.cloud/t/marker-tracking-example-scene-problem/2823/1 "2023-11-05T22:02:59Z")

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**Unity Editor version** : 2022.3.11f1  
**ML2 OS version** : 1.4.0-dev2  
**MLSDK version** : 1.11.0  
**Host OS** : Windows 10

Hello,

I have a problem with the SDK Example Scene "Marker Tracking" ( [Marker Tracking | MagicLeap Developer Documentation](https://developer-docs.magicleap.cloud/docs/guides/unity/sdk-example-scenes/sdk-marker-tracking-scene/) )  
This are my setting in Unity:  
 ![Screenshot 2023-11-04 114609](https://us1.discourse-cdn.com/flex019/uploads/magicleap1/original/2X/6/6c3661e0286368e7d6fc6bd6de3de17232f7b093.png)

And this are my Marker settings:

Original AruCo  
Marker ID: 1  
Marker size: 50

Wenn ich den Code mit der ML2 angucke, passiert nichts außer dass auf dem Status UI folgendes erscheint:

![Screenshot 2023-11-03 161336](https://us1.discourse-cdn.com/flex019/uploads/magicleap1/original/2X/e/ec093246bb6c02ff7231844b90ddc0e6c814e8b2.png)

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**Author:** ![etucker](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.magicleap.cloud/etucker/32/842_2.png) [@etucker](https://forum.magicleap.cloud/u/etucker)\
**Post date:** [November 7, 2023, 10:42pm UTC](https://forum.magicleap.cloud/t/marker-tracking-example-scene-problem/2823/2 "2023-11-07T22:42:43Z")

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Hi @athanasios.melenikiotis,

Welcome to the Magic Leap 2 Developer Forums. We are so grateful to have you here engaging with us.

Thank you for raising this issue. Are you receiving any error logs in the console? Is this using the App Sim or a full build?

Best,

El

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**Author:** ![kbabilinski](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.magicleap.cloud/kbabilinski/32/19_2.png) [@kbabilinski](https://forum.magicleap.cloud/u/kbabilinski)\
**Post date:** [November 8, 2023, 6:32pm UTC](https://forum.magicleap.cloud/t/marker-tracking-example-scene-problem/2823/3 "2023-11-08T18:32:32Z")

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Additionally, you may want to check that the marker you are looking at is the same size as specified in the Unity inspector. Based on the screenshot you may have entered that the QR code is 50 meters wide, which would cause a notable offset between the actual marker and the one you scanned, and the marker could be appearing beyond the far clipping plane.

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**Author:** ![athanasios.melenikiotis](https://avatars.discourse-cdn.com/v4/letter/a/7ab992/32.png) [@athanasios.melenikiotis](https://forum.magicleap.cloud/u/athanasios.melenikiotis)\
**Post date:** [November 10, 2023, 4:11pm UTC](https://forum.magicleap.cloud/t/marker-tracking-example-scene-problem/2823/4 "2023-11-10T16:11:00Z")

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Yes. This was the problem Thank you.

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**Author:** ![system](https://us1.discourse-cdn.com/flex019/uploads/magicleap1/original/1X/bd9b737a4d45ea243aa7eb177d60a773b806899a.svg) [@system](https://forum.magicleap.cloud/u/system)\
**Post date:** [November 25, 2023, 4:11pm UTC](https://forum.magicleap.cloud/t/marker-tracking-example-scene-problem/2823/5 "2023-11-25T16:11:10Z")

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