Contact d.witko@icloud.com. Describe your browser, the action and the error; do not send private photos unless specifically needed and you choose to do so.
PNG, JPEG and WebP only, up to 16 photos, 20 MB and 40 megapixels each. No HEIC, SVG, GIF or video. Export to PNG or JPEG before closing. If ChatGPT blocks file selection or downloads, use the standalone editor.