SM-N910T 5.1.1 REST MSL ERROR Help please

When i do Rest MSL at say
MSL REST DONE.. But when i go and try to do imei change at aske me again to rest MSl

Can Some please Help

Checking certificate file… OK
KEY ID: ****
Waiting ADB device… OK
Reading phone info…
Model: SM-N910T
Android version: 5.1.1
Product code: SM2N910TZKETMB
Phone version: N910TUVU2DOK2
PDA version: N910TUVU2DOK2
CSC version: N910TTMB2DOK2
CSC country code: USA
CSC sales code: TMB
HW version: REV1.1
Phone S/N:*********
Modem board: MDM9225M
RF cal date: 2014.12.11
Initialization AT RIL… OK
Bypass MSL… error (2)
First reset MSL
Done with Samsung Tool PRO v.23.9