2018-01-10 11:45:42.775 LOG_FATAL init libusb_submit_transfer failed!!! -1 0 (cmosdll.cpp):251

... etc

meanpix1 =0.155
CONTROL_GAIN = 998 success!
BeginQHYCCDLive success!
2018-01-10 11:45:40.210 LOG_FATAL init libusb_submit_transfer failed!!! -1 0 (cmosdll.cpp):251 
meanpix1 =0.13
CONTROL_GAIN = 999 success!
BeginQHYCCDLive success!
2018-01-10 11:45:41.491 LOG_FATAL init libusb_submit_transfer failed!!! -1 0 (cmosdll.cpp):251 
meanpix1 =0.176
CONTROL_GAIN = 1000 success!
BeginQHYCCDLive success!
2018-01-10 11:45:42.775 LOG_FATAL init libusb_submit_transfer failed!!! -1 0 (cmosdll.cpp):251
