1. Select NetSolutions, Configure and Customize
  2. Verify the correct Merchant account is specified in the Merchant account drop down. If not, select the correct merchant account
  3. Click Submit
  4. Click OK and then Close
  5. Select to Config, Business Rules, Merchant accounts
  6. Open the merchant account that is selected in NetSolutions
  7. Unmark the Inactive box
  8. Click OK
  9. Process credit cards on the NetDonors page

Alternate Solution*
         Ensure that another merchant account is not specified for the specific NetSolutions page.  This can be checked on the last step of the page set-up wizard.