TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:5614/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7722c951-e457-4550-ac06-caa72805752d",
      "cw-ea898cb5-e9f2-45e8-80cb-6e4d828c2d52"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5ca407fb-6306-45e1-8d8f-6abda1186c3f",
    "manifestId": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:5614/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ea898cb5-e9f2-45e8-80cb-6e4d828c2d52",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:5614/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}