Search Issue Tracker

Fixed in 2020.2.X

Fixed in 2019.4.X, 2020.1.X

Votes

7

Found in

2019.2.0a1

2019.4

2019.4.0f1

2020.1

2020.2

Issue ID

1257220

Regression

Yes

Editor crashes on MemoryManager::GetAllocator when selecting NavMeshAgent Component in the Inspector window

AI Navigation

-

Reproduction steps:
1. Open the user's attached "Zombie.zip" project
2. Load the "TeddyLab" scene
3. Select "Enemy" GameObject in the Hierarchy window
4. Click on NavMeshAgent Component in the Inspector window
-- Observe the crash

Reproducible with: 2019.2.0a1, 2019.2.21f1 2019.4.0f1, 2020.1.0b14, 2020.2.0a16
Not reproducible with: 2018.4.23f1, 2019.1.14f1

Note: in some version, the crash occurs when selecting a GameObject with NavMeshAgent Component

First lines of the stack trace:
0x00007ff7b57d9ecc (Unity) MemoryManager::Allocate
0x00007ff7b57ef51c (Unity) malloc_internal
0x00007ff7b4d434ae (Unity) core::StringStorageDefault<char>::allocate
0x00007ff7b6b04790 (Unity) NavMesh_CUSTOM_GetSettingsNameFromID
0x000001738011153e (Mono JIT Code) (wrapper managed-to-native) UnityEngine.AI.NavMesh:GetSettingsNameFromID (int)
<...>

  1. Resolution Note (fix version 2020.2):

    Fixed in: 2020.2.0b2
    Quick workaround:
    To correct the issue in the project please open the file ProjectSettings\NavMeshAreas.asset in a text editor and make sure that the properties "m_Settings:" and "m_SettingNames:" have the same number of items declared under them.

  2. Resolution Note (fix version 2020.1):

    Fixed in: 2020.1.6f1.4510

  3. Resolution Note (fix version 2019.4):

    Fixed in: 2019.4.11f1

Comments (1)

  1. adriant

    Jul 29, 2020 12:33

    Quick workaround: To correct the issue in the project and avoid the crash please open the file ProjectSettings\NavMeshAreas.asset in a text editor and make sure that the properties "m_Settings:" and "m_SettingNames:" have the same number of items declared under them.

Add comment

Log in to post comment

All about bugs

View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.