J120H/DS STUCK IN MULTICORE CHECKSUM MODE after write combination file

Operation: Flash
Selected model: SM-J120H/DS
Software version: 26.8

File analysis… OK
Total file size: 0x2AA28338 (682 Mb)
Searching USB Flash interface… detected COM15
Setup connection… OK
Reading PIT from phone… OK
Sending spl.img… OK
Sending sboot.bin… OK
Sending sboot2.bin… OK
Sending param.lfs… OK
Sending boot.img… OK
Sending recovery.img… OK
Sending system.img… OK
Sending SPRDCP.img… OK
Sending SPRDDSP.img… OK
Sending nvitem.bin… OK
Sending cache.img… OK
Flashing done (time – 00:01:23)

Done with Samsung Tool PRO v.26.8

when try write firmware always error even with pit

[ 10/2/2016 11:49:00 AM ] File analysis… OK
[ 10/2/2016 11:49:00 AM ] Total file size: 0x7E2B2A10 (2018 Mb)
[ 10/2/2016 11:49:00 AM ] Searching USB Flash Interface… detected COM15
[ 10/2/2016 11:49:00 AM ] Setup connection… OK
[ 10/2/2016 11:49:00 AM ] Reading PIT from phone… OK
[ 10/2/2016 11:49:00 AM ] Sending boot.img… OK
[ 10/2/2016 11:49:00 AM ] Sending recovery.img… OK
[ 10/2/2016 11:49:00 AM ] Sending system.img… OK
[ 10/2/2016 11:52:00 AM ] Sending cache.img… OK
[ 10/2/2016 11:52:00 AM ] Sending hidden.img… OK
[ 10/2/2016 11:52:00 AM ] Sending SPRDCP.img… error timeout
[ 10/2/2016 11:52:00 AM ]
[ 10/2/2016 11:56:00 AM ] Operation: Flash
[ 10/2/2016 11:56:00 AM ] Selected model: SM-J120H/DS
[ 10/2/2016 11:56:00 AM ] Software version: 26.7