>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #2833021. --> Reported by: [RonanLK](https://www.drupal.org/user/818562) >>> <p>When selecting "Custom" or "None" for "Time grouping", the error message "Overlapping items only work with hour or half hour groupby times." is displayed even if "Overlapping time style" is set to "Do not display overlapping items".</p>