What’s problem with my name order in e-visa or visa approval letter?

I have just received our Vietnam e-visas for going to Vietnam in next December. On the application I followed the pictured example and did our names as surname, first name, middle name.

Is that a problem with that the name order (instead of first name, middle name, surname)?
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No, that is not a problem. The name order is not an issue, provided that its spelling is correct.