problem withe g850f

hi to all

plls i have g850f not started in flash

File analysis... OK
Total file size: 0x8F0D073C (2288 Mb)
Searching USB Flash interface... COM4 detected
Setup connection... OK
Set PIT file... Error

Done with Samsung Tool PRO v.31.5.1

and withe odin he stoped in this msg

Get PIT for mapping..

pls how solved my problem