This can occur when the gift is entered as on offline donation.  The amount may have been entered incorrectly within the gift record.  To verify:

1. Log into Raiser's Edge 
2. Select Records > Gifts
3. Search for the gift record , entering in the name of the person who donated to the participant
4. Click on the "Solicitors" button - verify that the Amount listed matches the total amount of the gift
5. If it does not match - click in the Amount text box to update the dollar amount.
6. Click OK, and Save and Close the record
7. Sync the fundraiser manually on the NetCommunity side to update the page