G3815 flash error

please help to flash G3815, all tried no go more that:

Operation: Flash
Selected model: SM-G3815
Software version: 24.1

File analysis… OK
Total file size: 0x5B8319CC (1464 Mb)
Searching USB Flash Interface… detected COM18
Setup connection… OK
Set PIT file… Error

Done with Samsung Tool PRO v.24.1


Attached Images
File Type: jpg G3815.jpg (250.6 KB)