It's always nice to see a new face here in the Community, @vhatfield.
To properly assist you with your client's direct deposit, can you provide me with some additional information or a screenshot of the error message? I'll be able to narrow down the problem once I've gathered more details about the message.
Here are a few articles that could help you out in the meantime:
I want to make sure that you're able to get this resolved as soon as possible. I'll be on standby.