I got this error 'std::bad_alloc'

[Jaekyumkim]

Hi, when i am trying to run code, i got this error.

I0206 19:07:41.957289 4240 db_lmdb.cpp:35] Opened lmdb ../../data/yolo/lmdb/trainval_lmdb
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
*** Aborted at 1486375661 (unix time) try "date -d @1486375" if you are using GNU date ***
PC: @ 0x7fcc79408428 gsignal
*** SIGABRT (@0x3e800001088) received by PID 4232 (TID 0x7fcc4b6f0700) from PID 4232; stack trace: ***

i think the dataset is the problem.
Please tell me what is wrong