Unexpected unknown at-rule "@define-mixin" (at-rule-no-unknown) scss/at-rule-no-unknown

Define mixing give me error while using stylelint fix command

Following is my config file for stylelint

.stylelintrc

/**
 * React Starter Kit (https://www.reactstarterkit.com/)
 *
 * Copyright © 2014-present Kriasoft, LLC. All rights reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE.txt file in the root directory of this source tree.
 */

// stylelint configuration
// https://stylelint.io/user-guide/configuration/
module.exports = {
  // The standard config based on a handful of CSS style guides
  // https://github.com/stylelint/stylelint-config-standard
  extends:  [
    "stylelint-config-standard",
    "stylelint-config-recommended-scss"
  ],

  plugins: [
    // stylelint plugin to sort CSS rules content with specified order
    // https://github.com/hudochenkov/stylelint-order
    'stylelint-order',
  ],

  rules: {
    'property-no-unknown': [
      true,
      {
        ignoreProperties: [
          // CSS Modules composition
          // https://github.com/css-modules/css-modules#composition
          'composes',
        ],
      },
    ],

    'selector-pseudo-class-no-unknown': [
      true,
      {
        ignorePseudoClasses: [
          // CSS Modules :global scope
          // https://github.com/css-modules/css-modules#exceptions
          'global',
          'local',
        ],
      },
    ],

    // Opinionated rule, you can disable it if you want
    'string-quotes': 'single',

    // https://github.com/hudochenkov/stylelint-order/blob/master/rules/order/README.md
    'order/order': [
      'custom-properties',
      'dollar-variables',
      'declarations',
      'at-rules',
      'rules',
    ],

    // https://github.com/hudochenkov/stylelint-order/blob/master/rules/properties-order/README.md
    'order/properties-order': [],
	 "no-descending-specificity": null,
      "at-rule-no-unknown": [ true, {
      ignoreAtRules: ['extend', 'at-root', 'debug', 'warn', 'error', 'if', 'else', 'for', 'each', 'while', 'mixin', 'include', 'content', 'return', 'function']
    }]
  },
};