J200GU FRP Reset Error

Try to reset FRP but got error:

Operation: Reset FRP/React/EE
Selected model: SM-J200GU
Software version: 26.1

Searching Samsung USB Flash Interface… detected COM7
Setup connection… OK
Reading PIT from phone… OK
Searching FRP lock… OK
Erasing FRP… error

Done with Samsung Tool PRO v.26.1

I believe it’s 5.1.1 but can’t tell for sure. What could be the problem, how to reset please?