sm-n9208 frp lock fail

any moderator can help me how to soft my problem,n9208 6.0.1 frp lock on,using z3xpro reset fail

Operation: Reset FRP/React/EE
Selected model: SM-N9208
Software version: 26.4

Searching Samsung USB Flash Interface… detected COM4
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.26.4