# Odd problem of "rasa train" - Segmentation fault (core dumped)

**URL:** <https://forum.rasa.com/t/odd-problem-of-rasa-train-segmentation-fault-core-dumped/24695>\
**Category:** Rasa Open Source\
**Created:** [February 12, 2020, 2:27pm UTC](https://forum.rasa.com/t/odd-problem-of-rasa-train-segmentation-fault-core-dumped/24695 "2020-02-12T14:27:49Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![yiouyou](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.rasa.com/yiouyou/32/6821_2.png) [@yiouyou](https://forum.rasa.com/u/yiouyou)\
**Post date:** [February 12, 2020, 3:50pm UTC](https://forum.rasa.com/t/odd-problem-of-rasa-train-segmentation-fault-core-dumped/24695/4 "2020-02-12T15:50:12Z")

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Thanks, the post is very helpful and in time.

For anyone run ubuntu 18.04 on AWS. Here is what works in Feb. 12

> sudo apt update

> sudo apt install python3-dev python3-pip python3-venv

> python3 -m venv --system-site-packages ./venv-rasa

> source ./venv-rasa/bin/activate

> pip3 install -U pip

> pip3 install rasa

> pip3 uninstall gym

> pip3 install gym==0.15.4

> pip3 uninstall sanic-plugins-framework

> pip3 install sanic-plugins-framework==0.8.2

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