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Fixed in 2019.3.X



Found in



Issue ID




ArgumentOutOfRangeException is thrown when Assets folder is selected when Project Browser in One Column Layout



ArgumentOutOfRangeException is thrown when Assets folder is selected after restoring a previous version of project. Refer the attached video.

Steps to reproduce:
1) Create a new project
2) In Project Browser, click on the options icon next to the lock icon at the top right, and change from the default Two Column Layout to One Column Layout.
3) Double click on the Assets folder in project browser

Actual result: ArgumentOutOfRangeException is thrown on console.
Expected result: No exception is thrown in console.

Occurring on : 2019.3.0a2, 2019.2.0a14, 2019.2.0a12
Working fine on: 2019.2.0a11

Environment: Both Windows and Mac

Stack trace:
Exception thrown while invoking [OnOpenAssetAttribute] method 'Unity.CodeEditor.CodeEditor:OnOpenAsset (int,int,int)' : ArgumentOutOfRangeException: startIndex cannot be larger than length of string.

Parameter name: startIndex
System.String.Substring (System.Int32 startIndex, System.Int32 length) (at <23c160f925be47d7a4fd083a3a62c920>:0)
System.String.Substring (System.Int32 startIndex) (at <23c160f925be47d7a4fd083a3a62c920>:0)
Unity.CodeEditor.CodeEditor.OnOpenAsset (System.Int32 instanceID, System.Int32 line, System.Int32 column) (at C:/buildslave/unity/build/Editor/Mono/CodeEditor/CodeEditor.cs:50)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

  1. Resolution Note (fix version 2019.3):

    Fixed an issue where double clicking on the folders in the project browser in one column layout gives an error.

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