# Tensorflow driver : UNKNOWN ERROR (303)

**URL:** <https://forum.rasa.com/t/tensorflow-driver-unknown-error-303/21661>\
**Category:** Rasa Open Source\
**Created:** [November 25, 2019, 9:41am UTC](https://forum.rasa.com/t/tensorflow-driver-unknown-error-303/21661 "2019-11-25T09:41:21Z")\
**Posts on this page:** 1\
**Showing post:** 1

<div class="post-metadata">

**Author:** ![zerotrope](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.rasa.com/zerotrope/32/4937_2.png) [@zerotrope](https://forum.rasa.com/u/zerotrope)\
**Post date:** [November 25, 2019, 9:41am UTC](https://forum.rasa.com/t/tensorflow-driver-unknown-error-303/21661/1 "2019-11-25T09:41:21Z")

</div>

Hello,

Since last requirements.txt update on RASAHQ/rasa repo, I systematically get the following messaging in terminal when starting `rasa x` interface :

```auto
E tensorflow/stream_executor/cuda/cuda_driver.cc:318] failed call to cuInit: UNKNOWN ERROR (303)

```

It does not prevent any functionality of rasa to fail though. My researches towards cuda driver problems didn’t bring any satisfactory answers so far, any idea ?

Thanks,

z.

---

_[View the full topic](https://forum.rasa.com/t/tensorflow-driver-unknown-error-303/21661)._