# [500] Fix VCACA validation for CAPABILITY/credentials attributes (which is 1..1) in demographics archetypes **Category:** [Reference Implementation: Java (archive)](https://discourse.openehr.org/c/reference-implementation-java-archive/154) **Created:** 2009-08-28 13:13 UTC **Views:** 6 **Replies:** 0 **URL:** https://discourse.openehr.org/t/500-fix-vcaca-validation-for-capability-credentials-attributes-which-is-1-1-in-demographics-archetypes/13321 --- ## Post #1 by @svn1 Revision: 500 Author: sebastian\.garde Log Message: --- **Canonical:** https://discourse.openehr.org/t/500-fix-vcaca-validation-for-capability-credentials-attributes-which-is-1-1-in-demographics-archetypes/13321 **Original content:** https://discourse.openehr.org/t/500-fix-vcaca-validation-for-capability-credentials-attributes-which-is-1-1-in-demographics-archetypes/13321