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The Google account has stopped because your Google account info is no longer on the phone.
The hangouts... pretty much the same. You've erased your authorization information - if the wipe-data-and-factory-reset was done right - and so you can't *be* on hangouts.
As for Samsung account manager... that is a bit more of a puzzle, but might simply mean that the phone is still registered to you, but it doesn't have your configuration information in it any more.
Does it show icons, apps, etc.?
I suspect the Wipe-Data-&-Factory-Reset may need to be done over, with the SIM card still in it of course, but with the memory card *out*, removed... that might be what made the difference.
That might be best - it's very unusual for a Samsung device to have problems after a "Wipe Data & Factory Reset" operation, and might mean there is a hardware problem also.
If there is any other advice you need on this matter, please let me know.
That's the right decision, and thank you. (No response required.)