Segmentation fault (core dumped) while running quantizer

[g1soori]

Describe the bug
I am new to SPTAG and trying to run the "Tutorial" notebook but ran into below segmentation error while running quantizer. Appreciate your help on this.

Environment - Docker on Ubuntu

To Reproduce
Steps to reproduce the behavior:

1. Create docker image with docker file. Had to use forked branch https://github.com/pabs3/SPTAG/tree/install-to-python-modules-dir from @pabs3 due to build errors on this repo
2. Bring up docker container and start the notebook and sptag
3. Run the Tutorial notebook on docs folder of this repo
4. See error

Error

CompletedProcess(args='/usr/local/bin/quantizer -d 100 -v Float -f DEFAULT -i /mnt/sptag_index/vectors.bin -o quan_doc_vectors.bin -oq quantizer.bin -qt PQQuantizer -qd 50 -ts 1000 -norm false', returncode=139)
Segmentation fault (core dumped)