Why this is happening
Account numbers are active in QuickBooks during the first financial exchange with Point of Sale or the user currently logged into QuickBooks does not have QuickBooks administrator permissions.
How to fix it
To resolve this issue and continue using account numbers in QuickBooks:
Hope this answer will be helpful for you. For more information about importing invoices into QuickBooks, dial QuickBooks point of sale support phone number+1-855-441-4417. You can ask any query related to QuickBooks from well qualified and experienced accounting experts.