TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digitalcollections.library.gsu.edu/iiif/2/university:458/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e12c0291-179a-4935-a618-4b98347bc8b7",
      "cw-e7c7446e-f7f2-4469-8abd-94191b49d7b6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0fb22fae-b1af-494d-a484-ae6d3b119dbd",
    "manifestId": "https://digitalcollections.library.gsu.edu/iiif/2/university:458/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e7c7446e-f7f2-4469-8abd-94191b49d7b6",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "https://digitalcollections.library.gsu.edu/iiif/2/university:458/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}