TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://curate.library.emory.edu/iiif/972p5hqchh-cor/manifest?manifest=https://curate.library.emory.edu/iiif/972p5hqchh-cor/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-dfa46dc1-10a6-46eb-acee-8220eac7f840",
      "cw-8b6863ec-556a-416d-ad37-6b405d6e2b2f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-66fde83d-9798-48dd-a40c-e341b5b6a1ec",
    "manifestId": "https://curate.library.emory.edu/iiif/972p5hqchh-cor/manifest?manifest=https://curate.library.emory.edu/iiif/972p5hqchh-cor/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8b6863ec-556a-416d-ad37-6b405d6e2b2f",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "https://curate.library.emory.edu/iiif/972p5hqchh-cor/manifest?manifest=https://curate.library.emory.edu/iiif/972p5hqchh-cor/manifest",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}