Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/1117/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b41b6062-7632-4cf0-bb8d-40fd384e994f",
      "cw-9606421f-346e-4039-bf03-fbd5fdccfd84"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b2ea3461-e47e-48aa-a2ca-a7e2e11700d5",
    "manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/1117/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9606421f-346e-4039-bf03-fbd5fdccfd84"
  }
}