# [ref_impl_eiffel] [517] AWB-15: Fix a void target call when validating a specialised archetype that is structurally sound, but whose parent is missing. **Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161) **Created:** 2008-02-18 05:43 UTC **Views:** 5 **Replies:** 0 **URL:** https://discourse.openehr.org/t/ref-impl-eiffel-517-awb-15-fix-a-void-target-call-when-validating-a-specialised-archetype-that-is-structurally-sound-but-whose-parent-is-missing/12796 --- ## Post #1 by @svn1 Revision: 517 Author: peter\.gummer Log Message: --- **Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-517-awb-15-fix-a-void-target-call-when-validating-a-specialised-archetype-that-is-structurally-sound-but-whose-parent-is-missing/12796 **Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-517-awb-15-fix-a-void-target-call-when-validating-a-specialised-archetype-that-is-structurally-sound-but-whose-parent-is-missing/12796