TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:2701/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-312f4fb2-fabc-4da4-b0cd-904cba33c1cd",
      "cw-96f44227-6b3a-4c88-b31f-3654388a9265"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f8b88a84-9aa1-4e7d-9050-071cfe8fdf44",
    "manifestId": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:2701/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-96f44227-6b3a-4c88-b31f-3654388a9265",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:2701/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}