# Error creating container: 400 Client Error: Bad Request ("invalid reference format")

**URL:** <https://forum.ansible.com/t/error-creating-container-400-client-error-bad-request-invalid-reference-format/28055>\
**Category:** AWX Project\
**Tags:** awx\
**Created:** [July 16, 2018, 9:09am UTC](https://forum.ansible.com/t/error-creating-container-400-client-error-bad-request-invalid-reference-format/28055 "2018-07-16T09:09:13Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![christian.tremel](https://avatars.discourse-cdn.com/v4/letter/c/50afbb/32.png) [@christian.tremel](https://forum.ansible.com/u/christian.tremel)\
**Post date:** [July 16, 2018, 9:09am UTC](https://forum.ansible.com/t/error-creating-container-400-client-error-bad-request-invalid-reference-format/28055/1 "2018-07-16T09:09:13Z")

</div>

while trying to build image for linux ppc64le the following comes up.

```auto
TASK [image_build : Build sdist builder image] ****************************************************************************************************************************************************************
changed: [localhost -> localhost]

TASK [image_build : Build AWX distribution using container] ***************************************************************************************************************************************************
fatal: [localhost -> localhost]: FAILED! => {"changed": false, "msg": "Error creating container: 400 Client Error: Bad Request (\"invalid reference format\")"}
 to retry, use: --limit @/root/awx/installer/install.retry

how can i see what really happens in the background, any verbose docker 
locks
that i a can loock at? the message itself is somewhat useless to me. i 
already set ansible to verbose but this also was of no help.

```

builder image is built ok imho

```auto
REPOSITORY TAG IMAGE ID CREATED SIZE
awx_sdist_builder latest d269ef0b39d5 7 minutes ago 703MB
ppc64le/centos 7 3c3bccc9acb8 5 weeks ago 282MB

```

``

```auto
AWX version: 1.0.6-339-g07ddfe2
AWX install method: docker on linux
Ansible version: 2.6
Operating System: RedHat 7.4 ppc64le
Web Browser: Firefox

```