TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:46/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fba5a752-a8a3-41cb-8e85-5cf28916c519",
      "cw-5d9a73f8-8207-4476-8b43-fe7abd6af7a8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7a3e1006-a675-4841-9627-4bd48d9ff4e9",
    "manifestId": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:46/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5d9a73f8-8207-4476-8b43-fe7abd6af7a8",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:46/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}