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Fixed in 2020.3.37f1, 2021.3.6f1



Found in



Issue ID




[Backport] [ParticleSystemForce] Errors are thrown on accessing Preset when ParticleSystemForce is deleted



When ParticleSystemForce object is deleted then on accessing its Preset when Editor is in play mode throws errors in the console. Refer attached video and stack trace

Steps to repro:
1. Create a new project.
2. Hierarchy > Effects > Particle System Force Field > Create Preset
3. Hierarchy > Particle System Force Field > Delete
4. Project > Particle System Force Field Preset > Editor > Play Mode.

Actual Result:
Errors spam the console on accessing Preset when ParticleSystemForce is deleted.

Expected Result:
No error should be thrown in the console on accessing Preset when ParticleSystemForce is deleted, Or more user-friendly warning should be thrown

Occurring on:
2021.2.0a7, 2021.2.0a1, 2021.1.0b10, 2021.1.0a1, 2020.2.6f1, 2020.1.17f1, 2019.4.21f1

Windows 10 & macOS 10.15

Stack Trace:
SerializedObject target has been destroyed.
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

ArgumentNullException: Value cannot be null.
Parameter name: source
UnityEditor.Presets.PresetEditor.DrawInternalInspector () (at /Users/bokken/buildslave/unity/build/Modules/PresetsEditor/PresetEditor.cs:311)
UnityEditor.Presets.PresetEditor.DrawPresetData () (at /Users/bokken/buildslave/unity/build/Modules/PresetsEditor/PresetEditor.cs:119)
UnityEditor.Presets.PresetEditor.OnInspectorGUI () (at /Users/bokken/buildslave/unity/build/Modules/PresetsEditor/PresetEditor.cs:107)
UnityEditor.UIElements.InspectorElement+<>c__DisplayClass59_0.<CreateIMGUIInspectorFromEditor>b__0 () (at /Users/bokken/buildslave/unity/build/External/MirroredPackageSources/com.unity.ui/Editor/Inspector/InspectorElement.cs:617)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr, Boolean&) (at /Users/bokken/buildslave/unity/build/Modules/IMGUI/GUIUtility.cs:189

  1. Resolution Note (fix version 2021.3.6f1):

    Fixed in 2021.3.6f1

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