Pi Camera Duplicate File Name Error

2018-07-06 07:33:26 INFO     speed_camera  Ave Speed is 23.0 mph L2R  Calib 190px 5890mm
2018-07-06 07:33:26 INFO     speed_camera  Saved media/images/speed-20180705-0834/speed-20180706-073326.jpg
2018-07-06 07:33:26 INFO     speed_camera  SQL - Update sqlite3 Data in /home/pi/speed-camera/data/speed_cam.db
2018-07-06 07:33:26 INFO     log_to_csv    CSV - Updated Data  /home/pi/speed-camera/speed-cam.csv
2018-07-06 07:33:26 INFO     saveRecent    symlink /home/pi/speed-camera/media/recent/speed-20180706-073326.jpg
2018-07-06 07:33:26 INFO     speed_camera End  - 23.0 mph Tracked 83 px in 0.250 sec  Calib 190px 5890mm
2018-07-06 07:33:26 INFO     speed_camera New  - cxy(190,104) Start New Track
2018-07-06 07:33:26 INFO     speed_camera  Out - cxy(261,112) Dist=71 is >=35 px C=8 59x43=1337 sqpx R2L
2018-07-06 07:33:26 INFO     speed_camera  Out - cxy(272,113) Dist=82 is >=35 px C=4 59x44=1320 sqpx R2L
2018-07-06 07:33:26 INFO     speed_camera  Out - cxy(152,108) Dist=38 is >=35 px C=6 62x47=1205 sqpx R2L
2018-07-06 07:33:26 INFO     speed_camera  Add - cxy(161,108) 16.3 mph px=29/75 C=4 64x47=1270 sqpx R2L
2018-07-06 07:33:26 INFO     speed_camera  Add - cxy(173,110) 7.3 mph px=17/75 C=4 64x49=1294 sqpx R2L
2018-07-06 07:33:26 INFO     speed_camera  Add - cxy(184,110) 2.1 mph px=6/75 C=4 65x44=1144 sqpx R2L
2018-07-06 07:33:26 INFO     speed_camera  Add - cxy(196,110) 1.9 mph px=6/75 C=5 66x44=1258 sqpx R2L
2018-07-06 07:33:26 INFO     speed_camera  Add - cxy(207,110) 4.4 mph px=17/75 C=6 66x46=1338 sqpx L2R
2018-07-06 07:33:26 INFO     speed_camera  Add - cxy(219,110) 6.9 mph px=29/75 C=5 67x46=1305 sqpx L2R
2018-07-06 07:33:26 INFO     speed_camera  Add - cxy(230,110) 8.4 mph px=40/75 C=5 67x46=1349 sqpx L2R
2018-07-06 07:33:26 INFO     speed_camera  Add - cxy(241,110) 9.9 mph px=51/75 C=3 68x46=1381 sqpx L2R
2018-07-06 07:33:26 INFO     speed_camera  Add - cxy(252,111) 11.0 mph px=62/75 C=3 69x44=1344 sqpx L2R
2018-07-06 07:33:26 INFO     speed_camera  Add - cxy(265,111) 12.07 mph px=75/75 C=2 70x45=1441 sqpx L2R
2018-07-06 07:33:26 INFO     speed_camera  Ave Speed is 12.1 mph L2R  Calib 190px 5890mm
2018-07-06 07:33:26 INFO     speed_camera  Saved media/images/speed-20180705-0834/speed-20180706-073326.jpg
2018-07-06 07:33:26 ERROR    speed_camera sqlite3 DB /home/pi/speed-camera/data/speed_cam.db
2018-07-06 07:33:26 ERROR    speed_camera Failed: To INSERT Speed Data into TABLE speed
2018-07-06 07:33:26 ERROR    speed_camera Err Msg: UNIQUE constraint failed: speed.idx
2018-07-06 07:33:26 INFO     log_to_csv    CSV - Updated Data  /home/pi/speed-camera/speed-cam.csv
2018-07-06 07:33:26 INFO     saveRecent    symlink /home/pi/speed-camera/media/recent/speed-20180706-073326.jpg
2018-07-06 07:33:26 ERROR    saveRecent symlink Failed: [Errno 17] File exists