samsung A105F always erorr pit

how to flash eng modem for samsung A105F U3
im flash combi file from suport always eror PIT

Operation: Flash
Selected model: SM-A105F
Software version: 37.0

File analysis... OK
Total file size: 0x02335B70 (35 Mb)
Searching USB Flash interface... COM5 detected
Setup connection... OK
Set PIT file... Error

Done with Samsung Tool PRO v.37.0