ISTWCMS-5251 Fix array offset on null type due to upgrade to Drupal 7.84
requested to merge feature/ISTWCMS-5251-l26yan-Fix-offset-on-null-value-due-to-update-to-Drupal-7.84 into 7.x-2.x
ISTWCMS-5251 Fix array offset on null type due to upgrade to Drupal 7.84