Some essential linked accounts are missing.

Disable modules

1. Disable modules that you don't use.
   For example you're not using the payroll module if you haven't entered employee names and haven't made any payroll entries.

Set up essential linked accounts

1. Go to Setup, Wizards, and Linked Accounts.
2. Select the general essential linked accounts from the Chart of Accounts for.
   • Retained Earnings - this is a 3xxx series Equity account
   • Accounts Receivable - use an Asset account in the 1xxx range
   • Accounts Payable - use a Liability account in the 2xxx range
   • Prepayments and Prepaid Orders - link an Asset account in the 1xxx range
   • Prepaid Sales / Deposits - link a Liability account in the 2xxx range
3. If using Payroll.
   • Ensure all Incomes have a 5xxx series-linked account
   • Ensure all Deductions and Payables have a 2xxx series account

 NOTE: If these accounts aren’t available in your Chart of Accounts, create them before following the above procedures.