>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #1029148. --> Reported by: [lynnmart881](https://www.drupal.org/user/966282) >>> <p>Fatal error: Call to undefined function date_convert_from_custom() in /sites/all/modules/calendar/includes/calendar.views.inc on line 15</p> <p>This error occurred when I attempted to change the date on the calendar display.</p>