TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:5690/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-06d9a5dc-6ed7-4c30-911c-56044fcca628",
      "cw-5068b0fe-303b-4405-9d65-8a853ac14da3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c153bdf0-f5ad-4b5e-b6c0-cae1a7d9970b",
    "manifestId": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:5690/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5068b0fe-303b-4405-9d65-8a853ac14da3",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:5690/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}