# TAILWIND_CONFIG_NOT_ALLOWED: Tailwind @plugin or @config not allowed

> Tailwind @plugin or @config not allowed

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| Severity | Fault                         | Stage   |
| -------- | ----------------------------- | ------- |
| error    | customer (the source package) | compile |

## What it means

A stylesheet has `@plugin` or `@config`, which load a JavaScript file (a Tailwind plugin, a tailwind.config.js) that would run as code during the build. Taggor compiles Tailwind v4 with configuration in CSS only and never runs customer config. The text is refused anywhere in a .css or .scss file, comments and strings included.

## How to fix

Remove the @plugin or @config line and configure Tailwind in the CSS: theme values in @theme { --color-brand: #0a6; }, new utilities with @utility, variants with @custom-variant, all next to @import "tailwindcss".