Review the formats on membership cards:
  1. Select the Membership tab on a constituent record.
  2. Open the most current, active Membership.
  3. Click the Members & Cards button.
  4. Open the Membership Card(s).
  5. Change the Name on Card field to one of the options from the Configuration Table.
  6. If error occurs again, review the cards on all listed memberships.

OR

On the Addressee / Salutation tab, sort by the Addressee/Salutation type. Attempt to delete the row.

OR

On the Addressee / Salutation tab, edit values on other existing addressee/salutations. Attempt to delete the row.

OR

On the Addressee / Salutation tab, mark the additional Addressee/Salutation as editable. Attempt to delete the row.