Hi there 3-superhairpiece,
Thanks for reaching out about journal entries. QuickBooks Online is a great tool able to assist you in keeping track of sales and expenses so you can see the profitability of your business. I can point you in the right direction to create Journal entries.
To create a journal entry, go the the +New menu, then in the rightmost column, select Journal entry. Select the two or more accounts to affect, and make sure that the debit and credit totals are the same. Don't forget to save.
If you need any further assistance with creating journal entries, can you please send us another message here with some more specifics of the error you're receiving so we can best assist? Thank you.