Unity Issue Tracker - Animator controller layers cannot be reordered and throw constant NullReferenceExceptions when trying to do so

Fixed in 2019.3

Fixed in 2018.4, 2019.1, 2019.2

Votes

26

Found in

2018.4.0f1

2019.2.0a12

2019.3.0a1

Issue ID

1154282

Regression

Yes

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

Themes

May 14, 2019

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