SM-N920S Erasing Reactivation lock… error

Operation: Reset FRP/React/EE
Selected model: SM-N920S
Software version: 24.4

Searching Samsung USB Flash Interface… detected COM5
Setup connection… OK
Reading PIT from phone… OK
Searching FRP lock… OK
Erasing FRP… OK
Searching Reactivation lock… OK
Erasing Reactivation lock… error

Done with Samsung Tool PRO v.24.4

I wiped phone, flashed phone but still same result.

any help please?
thanks