Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/609/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-aca4a8a1-8540-4170-8e0c-f431f66ad41f",
      "cw-0680876f-c7fb-4575-8bc6-f1270c3d1bf0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2bcac8f8-effa-4523-9930-047fde1077f9",
    "manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/609/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0680876f-c7fb-4575-8bc6-f1270c3d1bf0"
  }
}