Error message

• Warning: Use of undefined constant miniset_images_collector_SITE_IMAGE_SIZE_SMALL - assumed 'miniset_images_collector_SITE_IMAGE_SIZE_SMALL' (this will throw an Error in a future version of PHP) in miniset_images_collector_ensure_public_versions() (line 1084 of /home/miniset/miniset.net/sites/all/modules/miniset/miniset_images_collector.module).
• Warning: Use of undefined constant miniset_images_collector_SITE_IMAGE_SIZE_LARGE - assumed 'miniset_images_collector_SITE_IMAGE_SIZE_LARGE' (this will throw an Error in a future version of PHP) in miniset_images_collector_ensure_public_versions() (line 1085 of /home/miniset/miniset.net/sites/all/modules/miniset/miniset_images_collector.module).