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COM class factory error when using API

ERROR/WARNING MESSAGES
Retrieving the COM class factory for component with CLSID {08531DF9-B9A0-4CE7-8EE5-99D49F0D6E39} failed due to the following error: 80040154
 
REASON:
The application was using references to the API of a previous version of Changepoint.


RESOLUTION
Remove old references and recreate them, pointing to the correct API classes of the matching Changepoint version.