abp cli tool update error

[gerryge]

run "abp update" error:

[18:52:25 INF] ABP CLI (https://abp.io)
[18:52:25 INF] Version 4.2.1 (Stable)
[18:52:31 ERR] Object reference not set to an instance of an object.
System.NullReferenceException: Object reference not set to an instance of an object.
at Volo.Abp.Cli.ProjectModification.VoloNugetPackagesVersionUpdater.GetLatestVersionFromMyGet(String packageId) in D:\ci\Jenkins\workspace\abp-framework-release\abp\framework\src\Volo.Abp.Cli.Core\Volo\Abp\Cli\ProjectModification\VoloNugetPackagesVersionUpdater.cs:line 222
at Volo.Abp.Cli.ProjectModification.VoloNugetPackagesVersionUpdater.UpdateSolutionAsync(String solutionPath, Boolean includePreviews, Boolean includeReleaseCandidates, Boolean switchToStable, Boolean checkAll, String version) in D:\ci\Jenkins\workspace\abp-framework-release\abp\framework\src\Volo.Abp.Cli.Core\Volo\Abp\Cli\ProjectModification\VoloNugetPackagesVersionUpdater.cs:line 40
at Volo.Abp.Cli.Commands.UpdateCommand.UpdateNugetPackages(CommandLineArgs commandLineArgs, String directory, String version) in D:\ci\Jenkins\workspace\abp-framework-release\abp\framework\src\Volo.Abp.Cli.Core\Volo\Abp\Cli\Commands\UpdateCommand.cs:line 70
at Volo.Abp.Cli.Commands.UpdateCommand.ExecuteAsync(CommandLineArgs commandLineArgs) in D:\ci\Jenkins\workspace\abp-framework-release\abp\framework\src\Volo.Abp.Cli.Core\Volo\Abp\Cli\Commands\UpdateCommand.cs:line 41
at Volo.Abp.Cli.CliService.RunAsync(String[] args) in D:\ci\Jenkins\workspace\abp-framework-release\abp\framework\src\Volo.Abp.Cli.Core\Volo\Abp\Cli\CliService.cs:line 59

[maliming]

Duplicate of #7739