TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digitalcollections.library.gsu.edu/iiif/2/university:422/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9c4d1661-3e89-4d19-b025-c1c7e471dc2c",
      "cw-0009d9e3-7d19-4292-aab3-6266b525fd91"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b30819cd-29f4-4773-9eb4-aa993ee36b92",
    "manifestId": "https://digitalcollections.library.gsu.edu/iiif/2/university:422/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0009d9e3-7d19-4292-aab3-6266b525fd91",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "https://digitalcollections.library.gsu.edu/iiif/2/university:422/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}