terminate called after throwing an instance of 'std::out_of_range'

[Alex-Songs]

Preparing corpus...
files found
Untokenized data tagged !
files found
Lowercased data tagged !
Input data numbered !
getting files...
Estimating mean of Poisson...
Computing raw realtive frequencies...
Filename : A2. Remaining files : 0.
No valid chapter alignment. Alignment at document level.
Making sentence length based alignment...
combined ./training_data/not_pruned/A2.txt
Filtering out rare words from training data ...
Processing file A2
Filtering out rare words from data ...
Numbering training data ...
making numbering maps...
Number of source token 2
Number of target token 2
Making co-occurrence map...
training model-1
Number of target words 1
Uniform initialization at : 1
Uniform Initialization done !
Size of t-table : 1
EM first iteration
terminate called after throwing an instance of 'std::out_of_range'
what(): vector::_M_range_check: __n (which is 1) >= this->size() (which is 1)
Aborted (core dumped)