Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/837/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-da0dc6fe-6088-46e6-bc64-8d6cb86ade15",
      "cw-1ce7632d-5a00-45a7-b522-812d6c29e047"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-38ff77dd-d007-4f08-b289-ab37cc3e9d5f",
    "manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/837/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1ce7632d-5a00-45a7-b522-812d6c29e047"
  }
}