Error with schema when used inside blockContent in Sanity Studio

export default {
  name: "slideshow",
  title: "Slideshow",
  type: "array",
  of: [
    {
      type: "image",
      fields: [
        {
          name: "caption",
          type: "string",
          title: "Caption",
          options: {
            isHighlighted: true, // <-- make this field easily accessible
          },
        },
      ],
    },
  ],
};

ypeError: (value || []).some is not a function
    at ArrayInput.render (/static/js/app.bundle.js:237432:44)
    at finishClassComponent (/static/js/vendor.bundle.js:20302:31)
    at updateClassComponent (/static/js/vendor.bundle.js:20252:24)
    at beginWork (/static/js/vendor.bundle.js:21762:16)
    at HTMLUnknownElement.callCallback (/static/js/vendor.bundle.js:3330:14)
    at Object.invokeGuardedCallbackDev (/static/js/vendor.bundle.js:3379:16)
    at invokeGuardedCallback (/static/js/vendor.bundle.js:3434:31)
    at beginWork$1 (/static/js/vendor.bundle.js:26345:7)
    at performUnitOfWork (/static/js/vendor.bundle.js:25296:12)
    at workLoopSync (/static/js/vendor.bundle.js:25272:22)