If the restrictions defined on the project are correct, delete the check and adjust the invoice distribution .

If the invoice is posting to the correct account project distribution:

1. In General Ledger, Records, Projects, open the project referenced in the error message.
2. On the Account restrictions tab, change the account restrictions to allow use of all accounts.  Save and Close.
3. In Administration of the appropriate sub ledger, click Post.
4. Post the transaction.
4. In General Ledger, Records, Projects, change restrictions back.  Save and Close.