Request for updating user data returns 403 with the error message: "**X-CSRF-Token request header is missing**" More information: [https://www.drupal.org/docs/8/core/modules/rest/1-getting-started-rest-configuration-rest-request-fundamentals#fundamentals--x-csrf-token](https://www.drupal.org/docs/8/core/modules/rest/1-getting-started-rest-configuration-rest-request-fundamentals#fundamentals--x-csrf-token)
Request for updating user data returns 403 with the error message: "X-CSRF-Token request header is missing"
More information:
https://www.drupal.org/docs/8/core/modules/rest/1-getting-started-rest-configuration-rest-request-fundamentals#fundamentals--x-csrf-token