Error assert failed

[SeekPoint]

mldl@mldlUB1604:/ub16_prj/CommNet$ th main.lua
starting 18 workers
{
dcomm_entropy_cost : 0
comm_mode : "avg"
batch_size : 16
nagents : 1
init_std : 0.2
model : "mlp"
unshare_hops : false
show : false
comm_zero_init : false
adam_beta1 : 0.9
lrate : 0.001
recurrent : false
unroll : 0
nhop : 1
nminds : 1
momentum : 0
nactions : 6
reward_mult : 1
comm : false
multigames :
{
Crossing :
{
RangeOpts :
{
mapW : FloatTensor - size: 5
add_rate : FloatTensor - size: 5
mapH : FloatTensor - size: 5
}
StaticOpts :
{
enable_boundary : 0
push_action : 0
flag_visited : 0
nagents : 1
max_agents : 1
costs :
{
step : 0
wait : 0.01
goal : 0
collision : 10
pass : 0
}
crumb_action : 0
enable_corners : 0
add_block : false
visibility : 1
}
}
}
comm_scale_div : 1
encoder_lut : false
nbatches : 100
max_steps : 20
comm_range : 0
encoder_lut_size : 50
hidsz : 50
optim : "rmsprop"
game : ""
nactions_comm : 1
curriculum_end : 0
adam_beta2 : 0.999
rmsprop_alpha : 0.97
comm_encoder : 0
comm_decoder : 1
wdecay : 0
save : ""
fully_connected : false
alpha : 0.03
unroll_freq : 4
load : ""
max_grad_norm : 0
init_hid : 0.1
rmsprop_eps : 1e-06
nwords : 224
curriculum_sta : 0
visibility : 1
plot : false
adam_eps : 1e-08
nworker : 18
epochs : 100
nonlin : "tanh"
games_config_path : "games/config/crossing.lua"
nmodels : 1
no_coop : false
clip_grad : 0
}
/home/mldl/torch/install/bin/luajit: /home/mldl/torch/install/share/lua/5.1/threads/threads.lua:183: [thread 3 callback] /home/mldl/ub16_prj/CommNet/train.lua:16: assertion failed!
stack traceback:
[C]: in function 'assert'
/home/mldl/ub16_prj/CommNet/train.lua:16: in function 'train_batch'
/home/mldl/ub16_prj/CommNet/train.lua:361: in function </home/mldl/ub16_prj/CommNet/train.lua:358>
[C]: in function 'xpcall'
/home/mldl/torch/install/share/lua/5.1/threads/threads.lua:234: in function 'callback'
/home/mldl/torch/install/share/lua/5.1/threads/queue.lua:65: in function </home/mldl/torch/install/share/lua/5.1/threads/queue.lua:41>
[C]: in function 'pcall'
/home/mldl/torch/install/share/lua/5.1/threads/queue.lua:40: in function 'dojob'
[string " local Queue = require 'threads.queue'..."]:13: in main chunk
stack traceback:
[C]: in function 'error'
/home/mldl/torch/install/share/lua/5.1/threads/threads.lua:183: in function 'dojob'
/home/mldl/torch/install/share/lua/5.1/threads/threads.lua:264: in function 'synchronize'
/home/mldl/ub16_prj/CommNet/train.lua:398: in function 'train'
main.lua:157: in main chunk
[C]: in function 'dofile'
...mldl/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:150: in main chunk
[C]: at 0x00405d50
mldl@mldlUB1604:/ub16_prj/CommNet$ vim train.lua