TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:3595/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-130a8052-60d7-4cfe-ab64-c3f75c406831",
      "cw-16c7ec1d-e0af-4320-8137-2d37efac35bf"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d13a3272-691a-4809-8e17-78d46452abea",
    "manifestId": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:3595/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-16c7ec1d-e0af-4320-8137-2d37efac35bf",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:3595/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}