System.FormatException: The input string 'curso-oficial-de-regatas-auton�mico-' was not in a correct format. at System.Convert.ToInt64(String value) at EscoraLN.Services.CCoursesServicePub.GetCourseAsync(String CourseID) in D:\Prog\EscoraLN\Services\Pub\CCoursesServicePub.cs:line 115 at EscoraPub.Components.Courses.Attendees.Attendees.OnParametersSetAsync() in D:\Prog\EscoraPub\Components\Courses\Attendees\Attendees.razor.cs:line 29