Yes, QuickBooks can create deposits before recording the final invoice, Jack212.
You can record the payment as a retainer or an advance payment. This deposit will be an existing credit that you can apply to the final invoice. For more details about retainers, please refer to this article: How to record a retainer or deposit.
QBO uses estimates to create sales order transactions. What we can do is create a Quote. Then, record the Retainer. Once the job is complete, we can copy the quote to an Invoice and then link the retainer.
With regards to posting your questions here, I appreciate that you've done the basic browser troubleshooting steps to get rid of the error. This behavior usually happen when you submit questions immediately one after another. Thus, the Community space detects it as a spammer.
Also, I would recommend contacting us right away when the error will appear once again. This way, we can take a couple of test to check what's causing it aside from performing basic troubleshooting steps.
Reach out to us if you have further questions.
