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Fixed in 2017.3.X



Found in


Issue ID




'MecanimDataWasBuilt()' assert after opening project



Steps to reproduce:

1. Open attached project
2. Notice Assertion failed: Assertion failed on expression: 'MecanimDataWasBuilt()' in console

To reproduce issue again:
3. Run scene "scene"
4. Press <space> key 3 times to play a specific animation

Reproduced with: 5.6.1p3, 2017.1.0b9

Comments (4)

  1. sofaxafeku

    Feb 19, 2020 00:56

    Sometimes the professors accusing is beneficial, because it reduces the burden of the assignment and the projects. The explains that it may be seem benefits but it hurts in the long run. The education is the most important thing for any student. The study is only obligation of a person as a student.

  2. shubhamrock19998

    Aug 09, 2019 06:23

    I have found your post via google, it has the necessary information that I am looking for, I will refer it to my article and hope you allow it dear!

  3. yesxiao

    Sep 26, 2017 02:57

    I got the same issue, when I use AnimatorOverrideController set a new animtion , anyone can help me ??

  4. macrod

    Jul 10, 2017 09:02

    5.6.2f1: I see this assertion failure for AnimationClip.SetCurve() with a non-null curve argument.

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