trying to copy local users from big-ip to big-iq

hi i have local users configured in big-ip which i have imported to big-iq want to list

list auth user

from the f5, copy it all and paste into big-iq with

load sys config merge from-terminal

but its giving me error

PostgreSQL database error: ERROR:  duplicate key value violates unique constraint "auth_user_pkey"

anyone has a solution?