Unity: Are you missing an assembly reference?

user_9887329 0
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There's this unity tutorial called space shooter and for some reason i am getting the following error:

AppData/Local/Unity/cache/packages/packages.unity.com/com.unity.package-manager-ui@2.0.3/Editor/Sources/Services/Upm/UpmBaseOperation.cs(34,43): 
error CS1061: Type 'UnityEditor.PackageManager.PackageInfo' does not contain a definition for 'author' and no extension method 'author' of type 'UnityEditor.PackageManager.PackageInfo' could be found.
Are you missing an assembly reference?

Its just the beginning of the project and i haven't even written any scripts. I have no idea what this means.

unity3d
1 Answers

I just encountered this myself, and it comes from erroneous settings in "manifest.json" file, found inside /Packages/

Delete (or move) the manifest file, even while Unity is running, and Unity will rebuild it. The errors then go away.

user_31126690
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