NuGet Warning NU3033
Scenario 1
Package 'SamplePackage v1.0.0' from source 'https://contoso.com/index.json': A repository primary signature must not have a repository countersignature.
Issue
The primary signature should be either an author signature or a repository signature. A repository primary signature cannot have a repository countersignature.
Solution
Try to re-sign the package with either an author signature or a repository signature as the primary signature, then re-countersign the package.
Scenario 2
Package 'SamplePackage v1.0.0' from source 'https://contoso.com/index.json': A repository primary signature must not have a repository countersignature.
Issue
The primary signature should be either an author signature or a repository signature. A repository primary signature cannot have a repository countersignature.
Solution
Contact the repository that countersigned the package.