This can occur when invalid or special characters are added to the Raiser's Edge tables that map to Online Express. Special characters may include: !@#$%^&*() for example. Remove the invalid characters from Raiser's Edge tables and navigate back to Online Express to ensure the forms appear successfully.

The following are steps to take when invalid characters are entered in the Raiser's Edge State Table:

1. Log into Raiser's Edge and navigate to Configuration
2. Select Tables and find the category for 'States'
3. Scroll through the table entries and click the Open button to edit or Delete button to remove any entry with an invalid character
4. Navigate back to the Online Express form and click the Preview link to verify the table entries appear successfully