When this error appears, it is usually indicative of something wrong with the attachment file name. There is a known issue affecting file names where special characters (',Ô,ë, to name a few) render as question marks.

If you encounter this error, please contact us with the customer support number for GIFTS listed at https://www.blackbaud.com/contact-us/ which will always have the most up to date information.

Please provide the Application ID, the Form ID and your Site ID (SID) so we can take a closer look at the attachment file names and work to help you resolve the matter.