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Fixed in 2020.1

Fixed in 2018.4, 2019.2, 2019.3



Found in






Issue ID




Applying vertex stream layout to a particle system does not work in Prefab Mode



How to reproduce:
1. Open the attached "" project
2. In the Project window, open the "Rain" prefab
3. In the Inspector window, scroll down to the material setting and select "Apply to Systems"

Expected results: There are no more errors in the Renderer module of the particle system
Actual results: Clicking the button does not do anything and the Renderer module still has errors

Reproducible with: 2018.4.7f1, 2019.2.3f1, 2019.3.0b1, 2020.1.0a2

Note: To workaround the issue you can place an instance of the prefab in the Scene, select "Apply to Systems" for that instance and apply the changes to the prefab

Comments (7)

  1. B0ed5ea5485ff0a85c08a0db4d0836a7?d=mm


    Mar 28, 2020 17:05

    Thank you so much, this just what I was looking for -

  2. Eb4a73f7c6bc62a0c464f2f2185e6445?d=mm


    Oct 30, 2019 04:24

    An impressive share! I have just forwarded this onto a coworker who had been conducting a little homework on this. And he in fact bought me dinner due to the fact that I found it for him... lol. So allow me to reword this.... Thank YOU for the meal!! But yeah, thanx for spending time to discuss this topic here on your website.

  3. 953af13d60a4bb5bacc2972f46799751?d=mm


    Aug 29, 2019 17:31

    very clear explanation for step by step keep moving, waiting for more updates, thank you for sharing with us. -

  4. Bff613a6140cd47de675a7eb2896bd2e?d=mm


    Aug 29, 2019 17:17

    Every time stream layout was not working and thank you for your details -

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