Prohibition Symbol - Red X in Octagonal Frame for Error or Warning Indicators #248349 (License: Personal Use)

This graphic features a bold, centered red “X” set against a black rectangular field, all enclosed by a thick red octagonal border. The high-contrast design ensures immediate visual recognition, making it suitable for digital interfaces, safety warnings, or error notifications where clarity and urgency are critical.

Used in web UIs for cancel buttons, error dialogs, or disabled states; also appears in industrial signage to indicate prohibited actions. Matches user intent for quick identification of warnings or restrictions.