ML.Net deep-learning classification tutorial code doesn't build on Linux platform?

[khteh]

System Information (please complete the following information):

• OS & Version: [e.g. Windows 10] Ubuntu 23.10
• ML.NET Version: [e.g. ML.NET v1.5.5] 3.0.1
• .NET Version: [e.g. .NET 5.0] .Net 8

Describe the bug
Following this tutorial https://learn.microsoft.com/en-us/dotnet/machine-learning/tutorials/image-classification-api-transfer-learning, VSCode hits the following error:

error NU1301: The local source '/usr/src/ML.Net/DeepLearning_ImageClassification_Binary/C:\Program Files (x86)\Microsoft SDKs\NuGetPackages\' doesn't exist.

To Reproduce
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4. See error

Expected behavior
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Additional context
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