# [ref_impl_eiffel] [555] AWB-15: Fix a Void target call in ARCHETYPE_VALIDATOR.build_slot_id_index, due to an attempt to access the slot_id_index before it has been instantiated.

**Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161)
**Created:** 2008-03-05 13:27 UTC
**Views:** 2
**Replies:** 0
**URL:** https://discourse.openehr.org/t/ref-impl-eiffel-555-awb-15-fix-a-void-target-call-in-archetype-validator-build-slot-id-index-due-to-an-attempt-to-access-the-slot-id-index-before-it-has-been-instantiated/12848

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## Post #1 by @svn1

Revision: 555
Author:   peter\.gummer

Log Message:

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**Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-555-awb-15-fix-a-void-target-call-in-archetype-validator-build-slot-id-index-due-to-an-attempt-to-access-the-slot-id-index-before-it-has-been-instantiated/12848
**Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-555-awb-15-fix-a-void-target-call-in-archetype-validator-build-slot-id-index-due-to-an-attempt-to-access-the-slot-id-index-before-it-has-been-instantiated/12848