Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/681/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cab9942e-6a03-4b7b-aa3b-e9f3c8ceda1f",
      "cw-819698b5-47c4-4121-97e2-79d331f14527"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2a7c78c2-ee57-4d51-ae1d-75a06650c8e5",
    "manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/681/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-819698b5-47c4-4121-97e2-79d331f14527"
  }
}