Question 1

What does the Calendar Error 20 Filled icon mean?

Accepted Answer

The calendar-error-20-filled icon represents a calendar with an error or warning, indicating a problem with a date or event. This icon is part of the Fluent UI System Icons library developed by Microsoft Corporation. The calendar error symbol is often used to notify users of scheduling conflicts or incorrect date entries.

Question 2

Where is the Calendar Error 20 Filled icon used?

Accepted Answer

In software applications, the calendar error icon appears in calendar views, event scheduling tools, or date picker interfaces. For example, in Microsoft Outlook or Google Calendar, this icon might signal a scheduling conflict or invalid date entry.

Question 3

What does the Calendar Error 20 Filled icon tell users?

Accepted Answer

From a UX perspective, the calendar error icon communicates that something is amiss with a date or event, prompting users to review and correct their entries. This icon helps users understand that an error has occurred and needs attention.

Question 4

Can I download the Calendar Error 20 Filled icon as SVG or PNG?

Accepted Answer

Yes. Open Get icon, then Download file: SVG for code or design tools like Figma; PNG, WebP or JPEG at 512px; or an ICO favicon with 16, 32 and 48px inside. Each one uses what you set in Customize.

Question 5

How do I install the Calendar Error 20 Filled icon with the shadcn CLI?

Accepted Answer

Sign in (it's free), then open Get icon, Install with shadcn CLI, and pick your package manager to copy the command. It adds the icon to components/icons/fluent-calendar-error-20-filled.tsx.

Question 6

How do I use the Calendar Error 20 Filled icon in Next.js or React?

Accepted Answer

Copy it as React (from Get icon, or the Code section): a typed CalendarError20FilledIcon component you paste into your project, with no package to install. It works in Next.js and any React app.

Question 7

How do I use the Calendar Error 20 Filled icon in Vue, Svelte or Angular?

Accepted Answer

Open Get icon, then Copy as code, and pick Vue, Svelte, Angular, Solid or Preact; the Code section shows each one too. Every version is one self-contained component with the SVG inside.

Question 8

Can my AI agent install it for me?

Accepted Answer

With Pro, the shadcn.io MCP server lets Claude Code, Cursor or any MCP client find the Calendar Error 20 Filled icon, or any of 19,257 Fluent UI System Icons icons, and install it from a prompt.

Question 9

Can I use the Calendar Error 20 Filled icon in commercial projects?

Accepted Answer

Yes. MIT allows commercial use; keep the license notice when you ship the icons' source files. The full terms are in the license, linked on this page.

Question 10

Is the Calendar Error 20 Filled icon free?

Accepted Answer

Yes. Copying and downloading it is free, and the shadcn CLI install only needs a free account.

Question 11

How do I change the color of the Calendar Error 20 Filled icon?

Accepted Answer

It's drawn in currentColor, so it takes the text color wherever you use it. To bake a color in, set one in Customize before you copy.

Question 12

How do I change the size of the Calendar Error 20 Filled icon?

Accepted Answer

Set width and height on the component, or a class like size-6. It's drawn on a 20 × 20 grid, so it stays sharp at any size. Customize also sets the size it exports at, its padding and rotation.

Question 13

How do I make the Calendar Error 20 Filled icon accessible?

Accepted Answer

Next to a visible label it's decoration: add aria-hidden="true" so screen readers skip it. Standing alone, as in an icon button, give the button a name instead, like aria-label="Calendar Error 20 Filled", so screen readers say what it does.

Calendar Error 20 Filled