# [ref_impl_eiffel] [961] Fix a precondition failure when creating the parent id of a specialised archetype while populating the repository tree . **Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161) **Created:** 2010-06-23 05:13 UTC **Views:** 1 **Replies:** 0 **URL:** https://discourse.openehr.org/t/ref-impl-eiffel-961-fix-a-precondition-failure-when-creating-the-parent-id-of-a-specialised-archetype-while-populating-the-repository-tree/16254 --- ## Post #1 by @svn1 Revision: 961 Author: peter\.gummer Log Message: --- **Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-961-fix-a-precondition-failure-when-creating-the-parent-id-of-a-specialised-archetype-while-populating-the-repository-tree/16254 **Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-961-fix-a-precondition-failure-when-creating-the-parent-id-of-a-specialised-archetype-while-populating-the-repository-tree/16254