unity2020.1,项目打开后报错，Library\PackageCache\[email protected]\Editor\Collaborate\Collab\CollabToolbarWindow.cs(26,42): error CS0246: The type or namespace name 'WebViewEditorStaticWindow' could not be found (are you missing a using directive or an assembly reference?)

[miraclestar]

Library\PackageCache\[email protected]\Editor\Collaborate\Collab\CollabToolbarWindow.cs(26,42): error CS0246: The type or namespace name 'WebViewEditorStaticWindow' could not be found (are you missing a using directive or an assembly reference?)

[OneYoungMean]

see this : https://forum.unity.com/threads/problem-when-updating-and-changing-the-installation-location.554881/