Error Icon - Visual Indicator for System Failures or Invalid Inputs #302932 (License: Personal Use)

This monochromatic icon features a bold gray 'X' centered within rounded square brackets against a solid black background, conveying clear visual feedback for errors or cancellations. Its high-contrast, scalable vector design ensures legibility across devices and resolutions, making it suitable for web applications, mobile UIs, and developer dashboards. The neutral styling supports integration into both light and dark mode themes.

Commonly used in software interfaces to signal validation errors, failed API requests, or user action cancellations; appears in forms, modals, toast notifications, and debugging tools where immediate recognition of failure is essential.