Error Icon - Visual Indicator for Prohibited Actions or System Errors #97549 (License: Personal Use)

This vector-style icon features a glossy metallic shield outline enclosing a stark white 'X' over a black field, conveying urgency and restriction. Its reflective gradient adds depth while maintaining clarity at small sizes, making it suitable for digital interfaces, alerts, and safety signage. The design follows universal symbol conventions for prohibition and error states.

Commonly used in software applications, websites, and mobile apps to indicate failed operations, access denial, or validation errors; matches user intent to quickly recognize and respond to warnings or restrictions.