Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/649/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f0cc3a95-082a-4518-973c-b564a6cbf1cd",
      "cw-a074330f-5469-4883-9ebc-2007f0079839"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1ab7a78c-42bc-4092-9f8a-72452c866d48",
    "manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/649/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a074330f-5469-4883-9ebc-2007f0079839"
  }
}