# Jupyter lab cannot start - conflicting versions?

**URL:** <https://discourse.jupyter.org/t/jupyter-lab-cannot-start-conflicting-versions/22820>\
**Category:** JupyterLab\
**Tags:** jupyterlab, help-wanted\
**Created:** [December 9, 2023, 12:21pm UTC](https://discourse.jupyter.org/t/jupyter-lab-cannot-start-conflicting-versions/22820 "2023-12-09T12:21:16Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![krassowski](https://yyz1.discourse-cdn.com/flex031/user_avatar/discourse.jupyter.org/krassowski/32/1685_2.png) [@krassowski](https://discourse.jupyter.org/u/krassowski)\
**Post date:** [December 9, 2023, 3:21pm UTC](https://discourse.jupyter.org/t/jupyter-lab-cannot-start-conflicting-versions/22820/2 "2023-12-09T15:21:52Z")

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It seems you are using both pip and conda. When not separating them properly this will lead to conflicts like this.

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_[View the full topic](https://discourse.jupyter.org/t/jupyter-lab-cannot-start-conflicting-versions/22820)._