Hello, I am able to reproduce this consistently with the attached code.
When the nanosecond portion of an OffsetDateTime falls in [999_500_000 … 999_999_999] it gets read back as a string which triggers an exception if …...by Cell.setValue Aspose.Cells Product Family aspose-cells-java...aspose-cells-java , cells-java wwats June 29, 2026, 9:50pm 1 Hello, I am able...