Class not registered errors when accessing "Predicted Reorganization Benefit Report" (4241175)

Getting "class not registered" errors when clicking "Predicted Reorganization Benefit Report" from Reports | Reorganization Reports or just simply logging into the database.

Error messages may include:

Call Stack:
TSpacerMainForm.PreReorganizationBendefitReportClick

or

Access Violation at address...

OR

For Windows 7, 64-bit O.S, after initialized Space Manager 7.6.1GUI Client, gets Application Error - Class not registered. Call Stack: TSpacerMainForm.After_Create

Then, at the Space Manager Connection Profiles, screen, the TNS Names List is not populated.