It's good to see you here in the Community, @melissas-marines.
I'd love to help you with your concern, but can you please share the exact error message after sending the invoice? Also, can you provide a screenshot of the Customer Center view you're referring to? This will help us provide the best resolution to your concern.
The Community team and I will be standing by for your response so we can address your concern. Wishing you all the best!
Error message is under tasks.
We found email errors for sales transactions. View the errors
When I select the customer. It brings me to customer center view that is the same as desktop view and much preferred by all users in the company. I will reply again so I can add another attachment of customer center view.
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