Creating an user only with following fields:

• login
• password
• email
• first_name
• last_name
  Will cause an error with the image.

How to reproduce:
1- Create an user with the Public API
2- Login in "admin2"
2.1- Active eZ Debug
3- Open the just created user ( ex: <ezpublish-url>/Users/Editors/Test-User )
4- Verify on eZ Debug that it shows an error: eZImageManager::createImageAlias

On file "var/log/error.log":
[ Feb 25 2013 10:39:27 ] [192.168.2.27] Timing Point: Module start 'content'
[ Feb 25 2013 10:39:27 ] [192.168.2.27] eZImageManager::createImageAlias:
The reference alias original file does not exist
[ Feb 25 2013 10:39:27 ] [192.168.2.27] :
Original alias does not exist, cannot create other aliases without it
[ Feb 25 2013 10:39:27 ] [192.168.2.27] eZImageManager::createImageAlias:
Failed creating the referenced alias reference, cannot create alias large