When I run th rmain.lua , there is an error, can anybody help me ?

14:10:43
1 3
/home/test/torch/install/bin/luajit: ./rutil.lua:108: attempt to call method 'backwardThroughTime' (a nil value)..............................................................]ETA: 0ms | Step: 0ms
stack traceback:
./rutil.lua:108: in function 'train'
rmain.lua:13: in main chunk
[C]: in function 'dofile'
.../test/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:131: in main chunk
[C]: at 0x00405ea0

https://github.com/aero2a/kape-

can You help me?

Hi everyone
may i train it on CPU? if yes how long it will take to train on a dataset of 3000 (3K) images of 3x150x80?

Hi every one
i am getting this error, can anybody please help to resolve this issue:
Program 'lua' started in '/home/Alina/codes/captcha master' (pid: 7886).
tput: No value for $TERM and no -T specified
parsing file: dataset/ans.txt
parsing done
/opt/zbstudio/bin/linux/x64/lua: bad argument #3 to '?' (torch.*Tensor expected, got nil)
stack traceback:
[C]: at 0x7f9b6b7981b0
[C]: in function '__newindex'
./data.lua:43: in function 'loadY'
./data.lua:63: in function 'storeXY'
/home/Alina/codes/captcha master/captcha.lua:12: in main chunk
[C]: at 0x004054e8
Program completed in 0.08 seconds (pid: 7886).

I want to ask you about the accuray you mentioned is train accuracy or valid accuracy?We know it's kind of different.