System.ArgumentOutOfRangeException: repeatCount ('-1') must be a non-negative value. (Parameter 'repeatCount')
Actual value was -1.
   at void ArgumentOutOfRangeException.ThrowNegative<T>(T value, string paramName)
   at StringBuilder System.Text.StringBuilder.Append(char value, int repeatCount)
   at string GitUI.Blame.BlameControl.BuildAuthorLine(GitBlameLine line, StringBuilder authorLineBuilder, int lineLength, string dateTimeFormat, string filename, bool showAuthor, bool showAuthorDate, bool showOriginalFilePath, bool displayAuthorFirst) in C:/projects/gitextensions/src/app/GitUI/UserControls/BlameControl.cs:line 473
   at (string gutter, string body, List<GitBlameEntry> gitBlameDisplays) GitUI.Blame.BlameControl.BuildBlameContents(string filename, int avatarSize) in C:/projects/gitextensions/src/app/GitUI/UserControls/BlameControl.cs:line 424
   at void GitUI.Blame.BlameControl.ProcessBlame(string filename, GitRevision revision, IReadOnlyList<ObjectId> children, Control controlToMask, int lineNumber, CancellationToken cancellationToken) in C:/projects/gitextensions/src/app/GitUI/UserControls/BlameControl.cs:line 327
   at Task GitUI.Blame.BlameControl.LoadBlameAsync(GitRevision revision, IReadOnlyList<ObjectId> children, string fileName, IRevisionGridInfo revisionGridInfo, IRevisionGridUpdate revisionGridUpdate, Control controlToMask, Encoding encoding, int? initialLine, bool force, CancellationTokenSequence cancellationTokenSequence)+() => { } in C:/projects/gitextensions/src/app/GitUI/UserControls/BlameControl.cs:line 143
   at Task GitCommands.AsyncLoader.LoadAsync(Action loadContent, Action onLoaded)+(object _) => { } in C:/projects/gitextensions/src/app/GitCommands/AsyncLoader.cs:line 35
   at async Task GitCommands.AsyncLoader.LoadAsync<T>(Func<CancellationToken, T> loadContent, Action<T> onLoaded) in C:/projects/gitextensions/src/app/GitCommands/AsyncLoader.cs:line 109
   at async Task GitCommands.AsyncLoader.LoadAsync(Action<CancellationToken> loadContent, Action onLoaded) in C:/projects/gitextensions/src/app/GitCommands/AsyncLoader.cs:line 29
   at async Task GitUI.Blame.BlameControl.LoadBlameAsync(GitRevision revision, IReadOnlyList<ObjectId> children, string fileName, IRevisionGridInfo revisionGridInfo, IRevisionGridUpdate revisionGridUpdate, Control controlToMask, Encoding encoding, int? initialLine, bool force, CancellationTokenSequence cancellationTokenSequence) in C:/projects/gitextensions/src/app/GitUI/UserControls/BlameControl.cs:line 141
   at async void GitUI.TaskManager.InvokeAndForget(Control control, Func<Task> asyncAction, CancellationToken cancellationToken)+(?) => { } [1] in C:/projects/gitextensions/src/app/GitExtUtils/GitUI/TaskManager.cs:line 119
   at async Task GitUI.TaskManager.HandleExceptionsAsync(Func<Task> asyncAction, Func<Exception, Task> handleExceptionAsync) in C:/projects/gitextensions/src/app/GitExtUtils/GitUI/TaskManager.cs:line 32