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Question by Thomas 2 · Oct 06, 2010 at 09:00 PM · error2d-platformer

2d Platform tutorial problem

I am trying to follow the 2D platform tutorial on the Unity website. I have downloaded the zip file, I extract it into an empty folder and then I try to open the project in Unity. I get the following message:

Upgrading project! your project was created with an older version of Unity. Upgrading the project might take a few minutes.

I click on continue and wait for the project to open. When the project finishes, I double click on the 2D Platformer scene and nothing opens. The heirarchy window is completely empty and I don't even have a camera in the scene. I do have several error message like this:

Rebuiling GUID cache: Deleting metadata library/metadata/fd/fd51f448c586bfb4b8a6c2b1087318f7 because it is an invalid meta data file! MetaData class can't be loaded

When I look at the assets in the Project window, it looks like all of the scripts and textures have been removed from the prefabs. All of the prefabs say things like Missing(MonoScript) and Missing(Mesh). It appears that upgrading the project to Unity 2.6 has removed all of the references. Is there any way to get this project upgraded and open correctly?

I am running Unity 2.6.1f3

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Answer by jjobby · Oct 07, 2010 at 04:32 AM

Try to open it with Unity3. I think that the project may have already been upgraded to Unity3. That's why you can't open it with Unity2.6

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Answer by DonnySpecht · Oct 07, 2010 at 05:38 PM

It works with Unity 3. It's a bit odd that it's recognized as a project created with a previous version, but I guess that's how it recognizes a project created with any other version.

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