Failed Insert EOF about seed HOT 1 OPEN

[12/15/15 12:32:49] [INFO] Syncing 33119 documents from zip_codes
[12/15/15 12:32:58] [INFO] - zip_codes (1000/33119) 3.02% complete
[12/15/15 12:33:07] [INFO] - zip_codes (2000/33119) 6.04% complete
[12/15/15 12:33:15] [INFO] - zip_codes (3000/33119) 9.06% complete
[12/15/15 12:33:23] [INFO] - zip_codes (4000/33119) 12.08% complete
[12/15/15 12:33:31] [INFO] - zip_codes (5000/33119) 15.10% complete
[12/15/15 12:33:39] [INFO] - zip_codes (6000/33119) 18.12% complete
[12/15/15 12:33:49] [INFO] - zip_codes (7000/33119) 21.14% complete
[12/15/15 12:34:00] [INFO] - zip_codes (8000/33119) 24.16% complete
[12/15/15 12:34:08] [INFO] - zip_codes (9000/33119) 27.17% complete
[12/15/15 12:34:20] [INFO] - zip_codes (10000/33119) 30.19% complete
[12/15/15 12:34:27] [INFO] - zip_codes (11000/33119) 33.21% complete
[12/15/15 12:34:38] [INFO] - zip_codes (12000/33119) 36.23% complete
[12/15/15 12:34:48] [INFO] - zip_codes (13000/33119) 39.25% complete
[12/15/15 12:35:08] [EROR] insert error (EOF)
[12/15/15 12:35:10] [EROR] insert error (EOF)
[12/15/15 12:35:48] [EROR] insert error (EOF)
[12/15/15 12:35:52] [EROR] insert error (EOF)
[12/15/15 12:36:16] [EROR] insert error (EOF)
[12/15/15 12:36:25] [EROR] insert error (EOF)
[12/15/15 12:36:30] [EROR] insert error (EOF)