You're missing the preview generator, so it's trying to generate them on demand. See https://memories.gallery/config/#recommended-apps https://memories.gallery/

You're missing the preview generator, so it's trying to generate them on demand. See https://memories.gallery/config/#recommended-apps https://memories.gallery/config/#recommended-apps Also note there are some extra config steps for the preview app (initial run, cron job). See https://github.com/nextcloud/previewgenerator https://github.com/nextcloud/previewgenerator