Medusa Pro connected but can not write file.

I have one Medusa Pro box.
It can connect phone very good.
But when i flash eMMC file it got error.

Code:

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See here my logs!
Partition table has been found on device.
Warning: openned file size is bigger than eMMC size.
Partition table is found from file C:/Program Files/Medusa Pro Software/OPPO A3S CPH1803EX_A09 Full.bin.
Don't forget to reconnect the device after writing to see changes.
Writting partitions. Please wait...
Writing partition recovery from C:/Program Files/Medusa Pro Software/OPPO A3S CPH1803EX_A09 Full.bin file...       
ERROR[007]: Command fail.
#red At sector 744672

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When i borrow my frien's box, then it is working fine.
Please help me to solve my box problem my dear Team!