How do I fix error cs0006 after System.Collections.Concurrent.dll could not be found due to bad path

Unity Engine
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1

Anyone know how to fix this error? It keeps showing up in my console

error CS0006: Metadata file ‘C:/Program Files/Unity/Hub/Editor/2021.3.5f1/Editor/Data/NetStandarŤ/compat/2.1.0/shims/netstandard/System.Collections.Concurrent.dll’ could not be found

I confirmed the path has a strange character and should be NetStandard (instead of NetStandarŤ)

Where is this file being referenced within the Unity Editor and / or Package Manager so I can make sure this does not break my project?

Thanks in advance…

2

Seeing the “strange character” I would recommend uninstalling this Unity editor version. Then check the path, if anything still exists under 2021.3.5f1 folder delete it. Then reinstall.

Or more easily: install 2021.3.6 (or is it .7 already?) and update the project, then remove the old version.

3

It appears they fixed it in 2021.3.6 – your solution worked – thank you…

4

Just had a similar issue with 2021.3.32f1, so the problem is still floating out there.

error CS0006: Metadata file 'C:/Program Files/Unity/Hub/Editor/2021.3.32f1/Editor/Data/NetStandard/compat/2.1.0/shims/netstandard/System.Runtime.Numerics.dl�' could not be found

However, an update to 2021.3.35f1 got my project running again. Hopefully, they figure out what causes this.