NuGet Warning NU3006
Package 'SamplePackage v1.0.0' from source 'https://contoso.com/index.json': Signed Zip64 packages are not supported.
Issue
NuGet client tried to verify a Zip64 package.
Solution
NuGet client does not support Zip64 signed packages. Please ensure that any package being verified is not a Zip64 pckage. You can read more about Zip64 in the PKWARE Zip Specification.