TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:5705/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-00dc546a-3b20-4dc0-9246-a17d141a7ca2",
      "cw-9a073abe-5a81-4c9a-b53b-529dcd84c50e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a3743081-5967-4845-858a-b264c9a78d9a",
    "manifestId": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:5705/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9a073abe-5a81-4c9a-b53b-529dcd84c50e",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:5705/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}