Publishing the project has failed. Error: Value cannot be null or an empty string

Publishing the project has failed.

Error: Value cannot be null or an empty string.
Parameter name: source

System.Exception: Publishing the project has failed.

Error: Value cannot be null or an empty string.
Parameter name: source —> System.ArgumentException: Value cannot be null or an empty string.
Parameter name: source
at NuGet.PackageServer…ctor(String source, String userAgent)
at UiPath.Project.Deploy.ProjectPackageManager.PushPackage(String packFilePath, String nuGetUrl, String nuGetApiKey, Int32 timeout)
at UiPath.Workflow.ViewModels.MainViewModel.PackAndPush()
— End of inner exception stack trace —