# [ref_impl_eiffel] [526] AWB-15: Fix precondition failures in DADL_ENGINE.set_source and CADL_ENGINE.set_source when the archetype definition or ontology sections are completely empty.

**Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161)
**Created:** 2008-02-20 23:59 UTC
**Views:** 2
**Replies:** 0
**URL:** https://discourse.openehr.org/t/ref-impl-eiffel-526-awb-15-fix-precondition-failures-in-dadl-engine-set-source-and-cadl-engine-set-source-when-the-archetype-definition-or-ontology-sections-are-completely-empty/12803

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## Post #1 by @svn1

Revision: 526
Author:   peter\.gummer

Log Message:

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**Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-526-awb-15-fix-precondition-failures-in-dadl-engine-set-source-and-cadl-engine-set-source-when-the-archetype-definition-or-ontology-sections-are-completely-empty/12803
**Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-526-awb-15-fix-precondition-failures-in-dadl-engine-set-source-and-cadl-engine-set-source-when-the-archetype-definition-or-ontology-sections-are-completely-empty/12803