>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3378519. --> Reported by: [jurgenhaas](https://www.drupal.org/user/168924) Related to !4 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>The warning <code>Undefined array key "parent_entity_type" CommerceDeriver.php:61</code> is caused since some of the commerce conditions don't seem to provide that parent entity type. Not sure how to fix that, since I'm not sure if that data point is required and needs to be derived from some other sources or maybe dynamically?</p> > Related issue: [Issue #3340550](https://www.drupal.org/node/3340550)