# Session configuration

**URL:** <https://renku.discourse.group/t/session-configuration/888>\
**Category:** RenkuLab\
**Created:** [21 August 2023 15:45 UTC](https://renku.discourse.group/t/session-configuration/888 "2023-08-21T15:45:11Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![lorenzo](https://avatars.discourse-cdn.com/v4/letter/l/4da419/32.png) [@lorenzo](https://renku.discourse.group/u/lorenzo)\
**Post date:** [22 August 2023 09:31 UTC](https://renku.discourse.group/t/session-configuration/888/5 "2023-08-22T09:31:47Z")

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@carloferrigno here is the post with instructions to fix the problem with building images, as already mentioned by @tolevski

> [@snake Addressing issues with Renku image builders](https://renku.discourse.group/t/addressing-issues-with-renku-image-builders/892):
>
> warning Issue: we have observed issues across multiple projects when building Renku images using conda with the defaults channel supported by [Anaconda.com](http://anaconda.com/)hammer_and_wrench Solution: we recommend Renku users to complete the following steps in their projects. Remove defaults channel from the environment.yml file. Add conda-forge channel in the environment.yml file if it is not already there (in the default Renku projects, conda-forge is not there). [environment.yml cannot have defaults, …

For the warning banner, we are fixing it on our side. In short, pinning memory requirements triggers that warning _even if sessions with enough memory are available_. You can safely ignore it for now. The fix should be rolled out within a few days.

Sorry for the inconvenience; sadly, a few things piled up with this release since it brings quite a few changes in many parts of the system.

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_[View the full topic](https://renku.discourse.group/t/session-configuration/888)._