# Problems with alpaca 

**URL:** <https://discourse.slicer.org/t/problems-with-alpaca/43461>\
**Category:** Support\
**Tags:** alpaca\
**Created:** [June 23, 2025, 5:13pm UTC](https://discourse.slicer.org/t/problems-with-alpaca/43461 "2025-06-23T17:13:36Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![muratmaga](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/muratmaga/32/3622_2.png) [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Post date:** [June 23, 2025, 5:15pm UTC](https://discourse.slicer.org/t/problems-with-alpaca/43461/2 "2025-06-23T17:15:27Z")

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please see the workaround in this thread:

> [@Opening ALPACA for the first time and stuck on "Installing ALPACA Python Packages...."](https://discourse.slicer.org/t/opening-alpaca-for-the-first-time-and-stuck-on-installing-alpaca-python-packages/43415/3):
>
> @jsguerra If you are tracking the github issue, until the fix is integrated, the workaround is to manually install the numpy. These steps worked for me: in Python console type `pip\_install(“numpy==2.00”)’ Restart Slicer Switch to ALPACA It should continue installing remaining packages (pandas) and then ALPACA should be working.

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_[View the full topic](https://discourse.slicer.org/t/problems-with-alpaca/43461)._