First install of Alfresco 5.1.EA with Spanish Locale and Value 'Rep. Dem.' invalid filename

On a clean installation of Alfresco 5.1. Early Access, log produces

{{Caused by: org.alfresco.repo.node.integrity.IntegrityException: 07290001 Found 1 integrity violations:
Invalid property value:
Node: workspace://SpacesStore/c67bba8a-6b4f-4ee6-8d78-e7e276ab8b54
Name: Rep. Dem.
Type:

{http://www.alfresco.org/model/content/1.0}

category
Property:

{http://www.alfresco.org/model/content/1.0}

name
Constraint: 07290000 Value 'Rep. Dem.' is not valid as a file name. This property must be a valid file name.
at org.alfresco.repo.node.integrity.IntegrityChecker.checkIntegrity(IntegrityChecker.java:662)
}}
And Alfresco does not start.