When you use Debtors, you must choose a customer in the Name field, I haven't used Debtors. How do I post my journals?

Hi bfr

If you are receiving this message you must be selecting a debtors account in one of the account columns. We recommend that you click on the drop down arrow to the right of the accounts you are using to establish which account is a debtors account. You are unable to post directly to a debtors account without selecting a name of a customer/debtor as the message indicates.

Hello, 

Thank you very much for your explanations in advance. 

I have same problem with my last audit adjustments - Journal Entry, indicating an error "when you use debtors, you must choose a customer in the name field", and vice versa  an error "when you use creditors, you must choose a supplier in the name field". I do not quite get how to identify which ones shall be indicated which, as i am trying to post my journal entry with almost 100 transactions in it, and getting failed twice, thus failing to even save it and 2 hours has gone no where.

I would really appreciate if you could kindly collaborate in this explanation for me please? As, it is my last journal entry to be completed, before running a trial balance. Thank you very much in advance.

Kind regards,

Gulzira