samsung s 6 dual flashing error

Operation: Flash
Selected model: SM-G920FD
Software version: 24.1

File analysis… OK
Total file size: 0xE43BF310 (3651 Mb)
Searching USB Flash Interface… detected COM19
Setup connection… OK
Reading PIT from phone… OK
Sending sboot.bin… OK
Sending cm.bin… OK
Sending boot.img… OK
Sending recovery.img… OK
Sending system.img… OK
Sending modem.bin… OK
Sending cache.img… OK
Sending hidden.img… error timeout
Done with Samsung Tool PRO v.24.1

i have s6 dual i try to flash with the latest firmware
and it gives me error
please help me out