I got this error message after a recent update and called tech support to help trouble shoot the issue. After being on the phone for almost an hour, they told me I need to take to a shop for repair.
About a week ago the most recent update came out and that fixed the issue , but now the phone is running slow in other areas.
It's not too happy with Samsung and how they didn't take responsibility for this issue they caused.
Warning: Don't use charging/USB port
We've detected moisture or foreign material in your
Check your charging/USB port for any foreign material
such as dust or debris. To prevent damage to your
phone, don't plug anything in until the charging port is
clean, the moisture is gone, and the notification is
To dry the port, shake out any moisture, then wait for it
to dry, which could take several hours. You can speed up
drying by pointing a fan or dryer (cool air only) at the