# Start using Molly.jl: place\_atoms not defined in module Molly?

**URL:** https://discourse.julialang.org/t/start-using-molly-jl-place-atoms-not-defined-in-module-molly/77521
**Category:** Numerics
**Tags:** package
**Created:** [March 7, 2022, 3:44pm UTC](https://discourse.julialang.org/t/start-using-molly-jl-place-atoms-not-defined-in-module-molly/77521 "2022-03-07T15:44:29Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![nilshg](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/nilshg/32/2283_2.png) [@nilshg](https://discourse.julialang.org/u/nilshg)
#### Post date: [March 7, 2022, 4:14pm UTC](https://discourse.julialang.org/t/start-using-molly-jl-place-atoms-not-defined-in-module-molly/77521/4 "2022-03-07T16:14:53Z")

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The latest release for Molly is 0.8. You are using an outdated version, which is why the examples in the documentation won’t work. You can either install the latest version of Molly or read an older version of the documentation (in the lower left corner of the docs you’ll find a dropdown menu to select the version).

Have a look at this related thread:

> [@Should we have a package update PSA?](https://discourse.julialang.org/t/should-we-have-a-package-update-psa/61923):
>
> I’ve been tinkering with the idea of writing this for a while but never got around to it, so I’ll at least put the idea here in case anyone agrees and wants to make a start. I believe over the last few months the most frequently repeated question is “I can’t update package X to its latest version”, and always invariably the answer is: Do ]add X@versionyouwant to find out what’s holding you back; and Work with environments, as you actually don’t need ObscurePackageHoldingEverythingBack which yo…

and read the relevant sections of the Pkg.jl manual, e.g.

[https://pkgdocs.julialang.org/v1/environments/](https://pkgdocs.julialang.org/v1/environments/)

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_[View the full topic](https://discourse.julialang.org/t/start-using-molly-jl-place-atoms-not-defined-in-module-molly/77521)._
