This may occur when tab when the debit and credit account numbers exist in different funds. Try each of the following steps in order until the issue is resolved:
  1. Change the account in The Raiser's Edge to an active account
  2. Mark the account as active in The Financial Edge
  3. Select the correct Interfund information, and the record will save. The Interfund field is required.
  4. Run the Update Accounts Plug-in