When trying to download event registrations from an Online Express form into the Raiser's Edge you may receive the following error message:
The constituent you selected is already registered for this event. You may need to enable "multiple constituent registration" in Raiser's Edge at: Config > Business Rules > Event Options > Allow multiple constituent registration
This issue can occur if a user registers for themselves and a guest account and selects their name in the Guest field. To the Raiser's Edge it appears they are trying to register twice due to the settings of Config > Business rules.
To resolve this issue:
Go to Config > Business Rules > Event Options.
Mark the box next to "Allow multiple constituent registration"