1. Verify if the Account on the CSV Import file has the correct Account format used in the User Interface
-Navigate to Transactions > Financial > Make Journal Entries.
-Click the Account dropdown list
-Select the Account
2. Verify if the Account is inactive.
Navigate to Lists > Accounting > Accounts.
-Check the Show Inactives box.
-Look for the Internal ID reference in the error.
1. If Internal ID is being used, in the field-mapping page, make sure to click on the small pencil icon beside the Account field and Choose Reference Type = Internal ID instead of Names.
2. If Internal ID column is not showing, navigate to Home > Set Preferences > General tab > Defaults section > Check the Show Internal IDs box > Save.
-Uncheck the Inactive box on the Account.
-Check also if the Account is associated to the correct Subsidiary.