Search Issue Tracker

Fixed in Unity 2019.1



Found in


Issue ID




Editor crash on scripting_array_length when recompiling after deleting .asmdef files from custom package




Priority: 2Necessary for shipping a final release


Severity: 1Crash, freeze, data loss, work stops

How to reproduce:
1. Open the attached "" project
2. In Project window, delete "Packages/2D Common" package folder
3. Also, delete these three files one by one:
* Packages/2D Animation/Runtime/Unity.2D.Animat.Runtime.asmdef
* Packages/2D Animation/Tests/Editor/Unity.2D.Animat.EditorTests.asmdef
* Packages/2D Animation/Editor/Unity.2D.Animat.Editor.asmdef
4. Wait for the recompiling process to finish
-- Editor crash

Reproducible with - 2018.3.0a10, 2018.3.0b11, 2019.1.0a1, 2019.1.0a9
Not reproducible with - 2018.2.17f1, 2018.3.0a9

Note: Could not be tested on versions prior to 2018.2, since the above mentioned "Packages" folder was introduced in 2018.2.

Stack trace:
(Unity) scripting_array_length
(Unity) ToDynamicArrayOfTargetAssemblyInfo
(Unity) GetTargetAssembliesWithScripts
(Unity) MonoManager::AreUserAssembliesReady
(Unity) ShaderImporter::OnAssembliesLoaded
(Unity) CallbackArray::Invoke
(Unity) MonoManager::EndReloadAssembly
(Unity) MonoManager::ReloadAssembly
(Unity) ReloadAllUsedAssemblies
(Unity) Application::TickTimer
(Unity) MainMessageLoop
(Unity) WinMain
(Unity) __scrt_common_main_seh
(KERNEL32) BaseThreadInitThunk
(ntdll) RtlUserThreadStart

Fixed in 2019.1.0a11
Backported to 2018.3.1f1

All about bugs

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