lua/5.1/cudnn/SpatialFullConvolution.lua:31: attempt to perform arithmetic on field 'groups' (a nil value)

[ZhiqiangZ]

Has anyone encountered the following problem?
If you can solve it, please teach me. Thank you very much.

/home/snail/torch/install/bin/luajit: /home/snail/torch/install/share/lua/5.1/nn/Container.lua:67:
In 1 module of nn.Sequential:
In 1 module of nn.ConcatTable:
In 3 module of nn.Sequential:
...h/install/share/lua/5.1/cudnn/SpatialFullConvolution.lua:31: attempt to perform arithmetic on field 'groups' (a nil value)
stack traceback:
...h/install/share/lua/5.1/cudnn/SpatialFullConvolution.lua:31: in function 'resetWeightDescriptors'
...h/install/share/lua/5.1/cudnn/SpatialFullConvolution.lua:105: in function <...h/install/share/lua/5.1/cudnn/SpatialFullConvolution.lua:103>
[C]: in function 'xpcall'
/home/snail/torch/install/share/lua/5.1/nn/Container.lua:63: in function 'rethrowErrors'
/home/snail/torch/install/share/lua/5.1/nn/Sequential.lua:44: in function </home/snail/torch/install/share/lua/5.1/nn/Sequential.lua:41>
[C]: in function 'xpcall'
/home/snail/torch/install/share/lua/5.1/nn/Container.lua:63: in function 'rethrowErrors'
/home/snail/torch/install/share/lua/5.1/nn/ConcatTable.lua:11: in function </home/snail/torch/install/share/lua/5.1/nn/ConcatTable.lua:9>
[C]: in function 'xpcall'
/home/snail/torch/install/share/lua/5.1/nn/Container.lua:63: in function 'rethrowErrors'
/home/snail/torch/install/share/lua/5.1/nn/Sequential.lua:44: in function 'forward'
demo_cub_move_bbox.lua:165: in main chunk
[C]: in function 'dofile'
...nail/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:150: in main chunk
[C]: at 0x00405d50

WARNING: If you see a stack trace below, it doesn't point to the place where this error occurred. Please use only the one above.
stack traceback:
[C]: in function 'error'
/home/snail/torch/install/share/lua/5.1/nn/Container.lua:67: in function 'rethrowErrors'
/home/snail/torch/install/share/lua/5.1/nn/Sequential.lua:44: in function 'forward'
demo_cub_move_bbox.lua:165: in main chunk
[C]: in function 'dofile'
...nail/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:150: in main chunk
[C]: at 0x00405d50