Debit/credit requirements
Every main account has a normal accounting balance, be it debit or credit, and this main account is debited or credited. The financial controller can prefer to get Microsoft Dynamics 365 for Finance and Operations to control specific main accounts in order to prevent end users from shifting the entry side of the main account. For example, the rent account should always be debited against the bank account.
The following screenshot shows the debit/credit requirements of a main account:
The main account configuration is Credit. The accountant attempts to enter transactions in the debit side, as you can see in the following screenshot, it illustrates the message details while validating or posting the transaction. You can access General journal by navigating to General ledger | Journal entries | General journals and creating a new journal, then clicking on Lines: