fix this error:-Error 1 Missing partial modifier on declaration of type 'ProjectManagementTask.Models.TaskMaster'; another partial declaration of this type exist

namespace ProjectManagementTask.Models
{
    public class TaskMaster
    {
        public int TaskID { get; set; }
        public int UserID { get; set; }
        public string TaskName { get; set; }
        public string TaskDesc { get; set; }
        public int ScriptID { get; set; }
        public DateTime StartDate { get; set; }
        public DateTime EndDate { get; set; }
        public int TargatedDays { get; set; }

    }


}