CSV Reader Issue

public class FlashcardService
{
    // Using a library called CsvHelper to store and read flashcards from the CSV file
    private readonly string _filePath = Path.Combine(Environment.CurrentDirectory, "Data", "flashcards.csv");

    public List<Flashcard> LoadFlashcards()
    {
        // CsvReader allows for opening and reading the CSV file
        using (var reader = new StreamReader(_filePath)) // Open file for reading
        {
            // Create a CsvReader instance using the StreamReader
            var csvReader = new CsvReader((reader); 
            // Reads all records from the CSV and maps them to Flashcard objects
            return csvReader.GetRecords<Flashcard>().ToList();
        }
    }