# [ref_impl_eiffel] [1615] Correct a subtle bug affecting matching of classes to archetypes in the Archetype Catalogue . **Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161) **Created:** 2011-09-14 20:11 UTC **Views:** 2 **Replies:** 0 **URL:** https://discourse.openehr.org/t/ref-impl-eiffel-1615-correct-a-subtle-bug-affecting-matching-of-classes-to-archetypes-in-the-archetype-catalogue/14191 --- ## Post #1 by @svn1 Revision: 1615 Author: thomas\.beale Log Message: --- **Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-1615-correct-a-subtle-bug-affecting-matching-of-classes-to-archetypes-in-the-archetype-catalogue/14191 **Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-1615-correct-a-subtle-bug-affecting-matching-of-classes-to-archetypes-in-the-archetype-catalogue/14191