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Fixed in 2019.3

Fixed in 2018.4, 2019.1, 2019.2



Found in




Issue ID




Animator controller layers cannot be reordered and throw constant NullReferenceExceptions when trying to do so



How to reproduce:
1. Create a new project
2. In the Project window create a new animator controller
3. Double click it and in the Animator window's layer section click the "+" sign to add a new layer
4. Move the bottom layer up and observe the console

Expected result: the layers are reordered without issues
Actual result: the layers aren't reordered and a NullReferenceException is thrown

Reproduced in: 2019.3.0a3, 2019.2.0b2, 2019.2.0a12, 2018.4.1f1
Not reproducible in: 2019.2.0a11, 2019.1.3f2, 2017.4.27f1


Reproducible On: 2019.2.0b8

  1. Response avatar

    Resolution Note (fix version 2019.3):

    Fixed in: 2019.3.0a7, 2019.2.0f1

Comments (13)

  1. Efe79f65b219936f2d04856fe29b09ac?d=mm


    Aug 11, 2019 03:12

    Thanks! The issue is now resolved.

  2. 8cf45dac5f885936a69f48be85ed4a78?d=mm


    Aug 07, 2019 19:22

    Please fix in 2018.4 LTS

  3. 8ade0ade0304ce99bd219e8cc8911e21?d=mm


    Aug 07, 2019 13:19

    Not fixed on LST version.

  4. E3dbfd4ea21d14dc939db9b6ffc3e465?d=mm


    Aug 02, 2019 22:01

    Bug still present in 2018.4.5f1 LTS.
    Makes impossible to work with layers, and painful to work with parameters.

  5. 6445a7ce79978c5b20e8d17c39a5019c?d=mm


    Aug 02, 2019 17:10

    This is still broken on 2018.4.5f1, unfortunately. It says "fixed in 2018.4" at the top, am I to assume there will be a 2018.4.6?

  6. 4b409f54d7f61f76c11235a7d138d4dd?d=mm


    Jul 17, 2019 04:11

    On version 2018.4.4f1 and I have this bug right now.
    I tried adding an animator parameter and then when trying to reoder the list BAM!
    Please fix this?

  7. 171747b4e8faf39707ff8284988eb0e8?d=mm


    Jul 15, 2019 10:37

    I once completed a top down 8 heading development 2D game. What I did is fundamentally every activity state was a mix tree with the sprites for every bearing . It had exactly the intended effect for what I required and you just need to arrangement advances between the states once.

  8. D2ee404b51f937bd3830420103d9796f?d=mm


    Jul 12, 2019 19:27

    2018.4.4 there is still a bug.

  9. 77fb4a3216f579b3c8def39df4594bce?d=mm


    Jul 11, 2019 05:50

    Remote Desktop collection with the windows 10 operating system is very beneficial for us because this is so satisfy the users of windows.

  10. D2ee404b51f937bd3830420103d9796f?d=mm


    Jul 10, 2019 06:38

    2018.4.3 there is still a bug.

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