I am tryin to train the model but it gives error in structure_gan

[Aasimrafique]

on training set: online epoch # 1 [batchSize = 64 lr = 0.0002, momentum = 0.5] D: 0.693021 4e-06 G: 0.698091 D: 0.693876 4e-06 G: 0.697830 D: 0.693060 4e-06 G: 0.698690 /home/aasim/torch/install/bin/luajit: /home/aasim/torch/install/share/lua/5.1/threads/threads.lua:255: [thread 1 endcallback] ...cegenration/code/ss-gan/structure-gan/adversarial_ct.lua:167: attempt to index field 'modules' (a nil value) [thread 2 endcallback] ...cegenration/code/ss-gan/structure-gan/adversarial_ct.lua:167: attempt to index field 'modules' (a nil value) [thread 1 endcallback] ...cegenration/code/ss-gan/structure-gan/adversarial_ct.lua:167: attempt to index field 'modules' (a nil value) stack traceback: [C]: in function 'error' /home/aasim/torch/install/share/lua/5.1/threads/threads.lua:255: in function 'synchronize' /home/aasim/torch/install/share/lua/5.1/threads/threads.lua:196: in function 'addjob' train.lua:245: in function 'train' train.lua:265: in main chunk [C]: in function 'dofile' ...asim/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:131: in main chunk [C]: at 0x00406240 Regards, Aasim