Can't get back to stock! ODIN fails everytime.

Hey,
This is the message error I get!

<ID:0/004> Added!!
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> L720VPUGOK3_L720SPTGOK3_L720VPUGOK3_HOME.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/004> Odin v.3 engine (ID:4)..
<ID:0/004> File analysis..
<ID:0/004> SetupConnection..
<ID:0/004> Initialzation..
<ID:0/004> Get PIT for mapping..
<ID:0/004> Firmware update start..
<ID:0/004> aboot.mbn
<ID:0/004> NAND Write Start!!
<ID:0/004>
<ID:0/004> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)
<ID:0/004> Removed!!


And on the top of download mode:
product name: sph-l720T
current binary: custom
system status: custom
reactivation lock: off
knox kernel lock: 0X0
know warrenty void: 0X1
csb-config-lsb: 0X 30
secure download: enable
write protection: enable
eMMC burst mode enabled.


Please help!! :(

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