# Cannot build: "project not supported" **URL:** \ **Category:** RenkuLab\ **Created:** [13 November 2023 15:00 UTC](https://renku.discourse.group/t/cannot-build-project-not-supported/950 "2023-11-13T15:00:48Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![schymans](https://yyz2.discourse-cdn.com/free1/user_avatar/renku.discourse.group/schymans/32/77_2.png) [@schymans](https://renku.discourse.group/u/schymans)\ **Post date:** [13 November 2023 15:00 UTC](https://renku.discourse.group/t/cannot-build-project-not-supported/950/1 "2023-11-13T15:00:48Z")
I have an outdated project ([Reproducible Data Science | Open Research | Renku](https://renkulab.io/projects/stanislaus.schymanski/plant-hydraulic-vulnerability)), which I have not been able to migrate to the new renku locally, as I was not able to upgrade my renku (see my other post). Then I tried to start the environment on renkulab and migrate it there, but I keep getting the following error message: “Error: This project is not supported”. Is this due to the outdated project? I wish it would still be possible to run outdated projects online and upgrade them there, otherwise the possibility to share and collaborate on projects online is very short-lived. Why can’t the renku version be recorded and saved along with the project, so that docker would be able to re-create a functioning environment? ---
**Author:** ![schymans](https://yyz2.discourse-cdn.com/free1/user_avatar/renku.discourse.group/schymans/32/77_2.png) [@schymans](https://renku.discourse.group/u/schymans)\ **Post date:** [14 November 2023 09:05 UTC](https://renku.discourse.group/t/cannot-build-project-not-supported/950/2 "2023-11-14T09:05:33Z")
I think I figured it out. For some reason if the project on the main branch is outdated, updating it another branch will still not allow building a new environment based on that branch, I kept getting the error message that the project is not supported. Only after merging the migrated project into main was I able to build a new environment on renkulab.