/// <summary>
/// Length in Head is Fixed
/// </summary>
/// <param name="head"></param>
/// <param name="body"></param>
private ErrorCause(ErrorHead head, ICauseBody body)
{
Body = body;
Head = head;
}
/// <summary>
/// Head Only
/// </summary>
/// <param name="head"></param>
private ErrorCause(ErrorHead head)
{
Head = head;
}
