TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:2572/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bf0990ba-e5c9-4924-946f-e7cad8a14d27",
      "cw-4b460b52-dca3-4e86-a8c3-8a0d1465ddcf"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f95181f9-dde9-4014-83f6-1b7bdf0f30f6",
    "manifestId": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:2572/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4b460b52-dca3-4e86-a8c3-8a0d1465ddcf",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:2572/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}