Calls Routed to Agent = Calls Handled + Abandon Calls?

Version 1
    This document was generated from CDN thread

    Created by: Mert Yeter on 28-11-2013 04:55:00 AM
    I'm trying to solve this equation: Calls Routed to Agent = Calls Handled + Abandon Calls.
    In Call_Type_Real_Time table for a specific CallTypeID,
    (CallsRoutedToday - ErrorCountToday - CallsRoutedNonAgentToday)  is not equal to (CallsHandledToday + RouterCallsAbandToAgentToday + RouterCallsAbandQToday). What am I missing?