Samsung C7100 Repair Error

Waiting ADB device... OK
Reading phone info...
Model: SM-C7100
Android version: 7.1.1
PDA version: C7100ZHU1AQI4
CSC version: C7100ZZH1AQI4
Phone version: C7100ZHU1AQI4
Product code: SM-C7100ZKGTGY
CSC country code: Hong Kong
CSC sales code: TGY
Phone SN: R28J927WA2A
IMEI: 359771080XXXXXX
HW version: MP 0.401
RF cal date: 20170918
Chip name: MT6757
Modem board: MT6757
Security patch: 2017-08-01
Boot Warranty bit: 0
SIM State: ABSENT,ABSENT
Searching server... OK
Checking server answer... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Preparation of data... OK
Executing... error (0 16)
Try again after reboot
Done with Samsung Tool PRO v.36.2