> For the complete documentation index, see [llms.txt](https://docs.portainer.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.portainer.io/sts/faqs/troubleshooting/registry-and-image-management/i-am-unable-to-push-an-image-to-an-aws-elastic-container-registry.md).

# I am unable to push an image to an AWS Elastic Container Registry

AWS Elastic Container Registry [requires users to pre-create all repositories](https://www.portainer.io/blog/using-portainer-with-aws-elastic-container-registry?hsLang=en) before they can be pushed to.

If the AWS Elastic Container Registry does not have a repository created, the user will receive the following error message while attempting to push an image in Portainer:

<figure><img src="/files/54lGyqfUTWdyajyYLQsq" alt=""><figcaption></figcaption></figure>