FAWeb NetMail Error: Unable to cast COM object of type 'Blackbaud.PIA.EA7.EAOLAPlugin.COLAEmailClass' to interface type 'Blackbaud.PIA.EA7.EAOLAPlugin._COLAEmail'. This operation failed because the QueryInterface call on the COM component

After updating to 7.87, patch 4, when submitting an email in FAWeb, users may receive the following error: Unable to cast COM object of type 'Blackbaud.PIA.EA7.EAOLAPlugin.COLAEmailClass' to interface type 'Blackbaud.PIA.EA7.EAOLAPlugin._COLAEmail'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{20FD75E2-8B48-4CB1-A39D-EBF5F3FE94F3}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE)).
This issue is addressed in The Education Edge 7.87, patch 5 which was applied in the hosted environment on 4/21/15.

Environment

 7.87.164, patch 4
 7.87.164, patch 5

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