model not found, all weights are initilized train files: 0 test files: 0

[zsl4399]

I download dataset S3DIS. But I got this error when I run "main_train":

1811670
model not found, all weights are initilized
check area: Area_1
check area: Area_2
check area: Area_3
check area: Area_4
check area: Area_6
check area: Area_5
train files: 0
test files: 0
train files shuffled!
total train batch num: 0
train files shuffled!
total train batch num: 0
train files shuffled!
total train batch num: 0
train files shuffled!
total train batch num: 0
train files shuffled!
total train batch num: 0
train files shuffled!
total train batch num: 0
train files shuffled!
...

Do you have any idea why I got this error and it couldn't read my data? Thanks a lot for your help.