TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:1150/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-19e35b69-e0e2-4c5c-b938-b00b3f3fcc7c",
      "cw-d92b91ff-db6c-4a08-b1b2-7cfc31362dad"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a7c94745-eba7-4277-bfd6-d7fdc1494a1e",
    "manifestId": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:1150/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d92b91ff-db6c-4a08-b1b2-7cfc31362dad",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "http://cdm17413.contentdm.oclc.org/iiif/2/imagecoll:1150/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}