TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:14497/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6276e1f5-32b2-4ff1-90b9-2da7854580bd",
      "cw-e5323f5f-f4f0-45b6-af4c-8287168da02b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-98d30dc4-6d11-4a6a-8b51-e2062037428d",
    "manifestId": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:14497/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e5323f5f-f4f0-45b6-af4c-8287168da02b",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:14497/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}