# 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://content.gitbook.com/content/xdTQRpMuktD2l0URtOJO/blobs/oPGPKMBfpgiRVb7GIGWy/image.png" alt=""><figcaption></figcaption></figure>