AvatarBuilder.BuildHumanAvatar() is unable to find Transform when entering Play Mode

Unity: Mecanim Animation

Fixed

2023.1.X

2022.2.X

Won't Fix

2022.1.X

2022.1.0a1 onwards

With addition of the root transform to the skeleton mask introduced with a previous bug fix (https://ono.unity3d.com/unity/unity/pull-request/126514), a mask would be falsely created and used even if no skeleton was set by the user. This was fixed by only setting a skeleton mask in the BuildHumanAvatar function if a skeleton is explicitly passed in the HumanDescription.

Backport to branch 2022.1 has stopped as it reached end of life.

How to reproduce:
1. Open the attached “Test Avatar” project
2. Enter Play Mode
3. Observe the Console

Expected result: No errors appear
Actual result: “AvatarBuilder 'Armature': Transform 'Hips' for human bone 'Hips' not found” error appears

Reproducible with: 2022.1.0a1, 2022.1.17f1, 2022.2.0b10, 2023.1.0a12
Not reproducible with: 2020.3.39f1, 2021.3.11f1

Reproducible on: Windows 10

AvatarBuilder.BuildHumanAvatar() is unable to find Transform when entering Play Mode

Unity: Mecanim Animation

Fixed

Won't Fix

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Have a workaround or additional info about this issue?

AvatarBuilder.BuildHumanAvatar() is unable to find Transform when entering Play Mode

Unity: Mecanim Animation

Statuses

Fixed

Won't Fix

Resolution Notes

2022.1.XWon't FixBackport to branch 2022.1 has stopped as it reached end of life.

Description

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Have a workaround or additional info about this issue?