alguém pode me ajudar com esse error do Flash Tool

11/009/2017 19:09:35 - INFO - <- This level is successfully initialized
11/009/2017 19:09:37 - INFO - Flashtool Version 0.9.23.1 built on 11-01-2017 15:12:00
11/009/2017 19:09:37 - INFO - Executing search strategies to find proxy selector
11/009/2017 19:09:38 - INFO - No proxy found for IE. Trying next one
11/009/2017 19:09:38 - INFO - No proxy found for firefox. Trying next one
11/009/2017 19:09:38 - INFO - No proxy found for java. Trying next one
11/009/2017 19:09:38 - INFO - Syncing devices from github
11/009/2017 19:09:38 - INFO - Opening devices repository.
11/009/2017 19:09:39 - INFO - Scanning devices folder for changes.
11/010/2017 19:10:04 - INFO - Pulling changes from github.
11/010/2017 19:10:05 - INFO - Quietly closing devices repository.
11/010/2017 19:10:05 - INFO - Devices sync finished.
11/010/2017 19:10:05 - INFO - Loading devices database
11/010/2017 19:10:06 - INFO - Loaded 98 devices
11/010/2017 19:10:06 - INFO - Starting phone detection
11/010/2017 19:10:11 - INFO - Device disconnected
11/010/2017 19:10:27 - INFO - Selected Bundle for Sony Xperia C(C2304). FW release : 16.0.B.2.16. Customization : Customized BR
11/010/2017 19:10:27 - INFO - Preparing files for flashing
11/012/2017 19:12:25 - INFO - Please connect your device into flashmode.
11/012/2017 19:12:50 - INFO - Device connected in flash mode
11/012/2017 19:12:51 - INFO - Opening device for R/W
11/012/2017 19:12:51 - INFO - Reading device information
11/012/2017 19:12:51 - INFO - Phone ready for flashmode operations.
11/012/2017 19:12:51 - INFO - Opening TA partition 2
11/012/2017 19:12:51 - INFO - Current device : C2304 - LQ4716B00500 - 1278-6902_R4A - 1275-5177_16.0.B.2.16 - WORLD-a_16.0.B.2.16
11/012/2017 19:12:52 - INFO - Closing TA partition
11/012/2017 19:12:52 - INFO - Start Flashing
11/012/2017 19:12:52 - INFO - Processing loader.sin
11/012/2017 19:12:52 - INFO - Checking header
11/012/2017 19:12:52 - INFO - Flashing data
11/012/2017 19:12:53 - INFO - Loader : S1_Root_bb35 - Version : MT6589_12 / Boot version : 2.14.J.2.16 / Bootloader status : NOT_ROOTABLE
11/012/2017 19:12:53 - INFO - Max packet size set to 512K
11/012/2017 19:12:53 - INFO - USB buffer size set to 512K
11/013/2017 19:13:02 - INFO - No flash script found. Using 0.9.18 flash engine
11/013/2017 19:13:02 - INFO - Opening TA partition 2
11/013/2017 19:13:02 - INFO - Writing TA unit 00002774. Value : 01
11/013/2017 19:13:02 - INFO - Closing TA partition
11/013/2017 19:13:46 - INFO - Ending flash session
11/013/2017 19:13:46 - ERROR -
11/013/2017 19:13:46 - ERROR - Error flashing. Aborted
11/013/2017 19:13:46 - INFO - Flashing finished.
11/013/2017 19:13:46 - INFO - Please unplug and start your phone
11/013/2017 19:13:46 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings
11/013/2017 19:13:46 - INFO - Device connected in flash mode
11/013/2017 19:13:47 - INFO - Device disconnected