TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digitalcollections.library.gsu.edu/iiif/2/broadcast:1144/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a6800864-efad-43bd-aa70-ceb3e1d9ff84",
      "cw-454a47ca-bc39-40b8-b0fd-e430011a9194"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7f8924ee-f131-4e45-99cf-6d29ee71290b",
    "manifestId": "https://digitalcollections.library.gsu.edu/iiif/2/broadcast:1144/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-454a47ca-bc39-40b8-b0fd-e430011a9194",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "https://digitalcollections.library.gsu.edu/iiif/2/broadcast:1144/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}