Brief description of your issue

receive the following error:

System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.WingetCreateCore.Common.GitHub.UpdateForkedRepoWithUpstreamCommits(Repository forkedRepo)
at Microsoft.WingetCreateCore.Common.GitHub.<>c__DisplayClass20_0.<b__1>d.MoveNext()
--- End of stack trace from previous location ---
at Polly.AsyncPolicy.<>c__DisplayClass40_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at Polly.Retry.AsyncRetryEngine.ImplementationAsync[TResult](Func3 action, Context context, CancellationToken cancellationToken, ExceptionPredicates shouldRetryExceptionPredicates, ResultPredicates1 shouldRetryResultPredicates, Func5 onRetryAsync, Int32 permittedRetryCount, IEnumerable1 sleepDurationsEnumerable, Func4 sleepDurationProvider, Boolean continueOnCapturedContext) at Polly.AsyncPolicy.ExecuteAsync(Func3 action, Context context, CancellationToken cancellationToken, Boolean continueOnCapturedContext)
at Microsoft.WingetCreateCore.Common.GitHub.SubmitPRAsync(String packageId, String version, Dictionary2 contents, Boolean submitToFork, String prTitle, Boolean shouldReplace, String replaceVersion) at Microsoft.WingetCreateCore.Common.GitHub.SubmitPRAsync(String packageId, String version, Dictionary2 contents, Boolean submitToFork, String prTitle, Boolean shouldReplace, String replaceVersion)
at Microsoft.WingetCreateCLI.Commands.BaseCommand.GitHubSubmitManifests(Manifests manifests, String prTitle, Boolean shouldReplace, String replaceVersion)
at Microsoft.WingetCreateCLI.Commands.NewCommand.Execute()
at Microsoft.WingetCreateCLI.Program.Main(String[] args)

Steps to reproduce

using "Wingetcreate new" command Using "https://kidasa.com/download/Milestones-Professional-2025.msi" and all defaults, License is "Proprietary" and description is "Milestones Professional is a tool for creating presentation-ready project schedules from scratch or using project data from other software like Microsoft Project, Oracle Primavera, and Excel." when I get to the question "Would you like to submit your manifest to the Windows Package Manager repository?" I select yes and recieve the following "System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.WingetCreateCore.Common.GitHub.UpdateForkedRepoWithUpstreamCommits(Repository forkedRepo)
at Microsoft.WingetCreateCore.Common.GitHub.<>c__DisplayClass20_0.<b__1>d.MoveNext()
--- End of stack trace from previous location ---
at Polly.AsyncPolicy.<>c__DisplayClass40_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at Polly.Retry.AsyncRetryEngine.ImplementationAsync[TResult](Func3 action, Context context, CancellationToken cancellationToken, ExceptionPredicates shouldRetryExceptionPredicates, ResultPredicates1 shouldRetryResultPredicates, Func5 onRetryAsync, Int32 permittedRetryCount, IEnumerable1 sleepDurationsEnumerable, Func4 sleepDurationProvider, Boolean continueOnCapturedContext) at Polly.AsyncPolicy.ExecuteAsync(Func3 action, Context context, CancellationToken cancellationToken, Boolean continueOnCapturedContext)
at Microsoft.WingetCreateCore.Common.GitHub.SubmitPRAsync(String packageId, String version, Dictionary2 contents, Boolean submitToFork, String prTitle, Boolean shouldReplace, String replaceVersion) at Microsoft.WingetCreateCore.Common.GitHub.SubmitPRAsync(String packageId, String version, Dictionary2 contents, Boolean submitToFork, String prTitle, Boolean shouldReplace, String replaceVersion)
at Microsoft.WingetCreateCLI.Commands.BaseCommand.GitHubSubmitManifests(Manifests manifests, String prTitle, Boolean shouldReplace, String replaceVersion)
at Microsoft.WingetCreateCLI.Commands.NewCommand.Execute()
at Microsoft.WingetCreateCLI.Program.Main(String[] args)"

Expected behavior

Successful submission to the GitHub repository.

Actual behavior

Error.

Environment

Windows Package Manager Manifest Creator v1.9.4.0
Operating System: Microsoft Windows NT 10.0.26100.0
System Architecture: X64