# 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="https://3850702872-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXI7douejaBgpZ6CP2zJf%2Fuploads%2Fgit-blob-22477c02817c22ce59b76c8bd991d147e43cb823%2Fimage.png?alt=media" alt=""><figcaption></figcaption></figure>