Issue with alt_text in Sanity Studio resolved by uploading an image

        {
            title: "Company Image",
            description: "Logotype for company",
            name: "image",
            type: "image",
            options: {
                accept: "image/png",
            },
            fields: [
            ],
        },
        {
            name: "alt_text",
            type: "localeString",
            title: "Alternative Image text",
            description: "Important for SEO and accessibility",
        },
    ],

import { supportedLanguages } from "./supportedLanguages";

export default {
  title: "LocaleString",
  name: "localeString",
  type: "object",
  fieldsets: [
    {
      title: "Translations",
      name: "translations",
      options: { collapsible: false },
    },
  ],
  fields: supportedLanguages.map((lang) => ({
    title: lang.title,
    name: lang.id,
    type: "string",
    fieldset: lang.isDefault ? null : "translations",
  })),
};

export const supportedLanguages = [
  {
    id: "en",
    title: "English",
    isDefault: true,
  },
  {
    id: "sv",
    title: "Swedish",
  },
  {
    id: "no",
    title: "Norwegian",
  },
];