Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/730/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-232e4730-7c63-41cb-8c24-009079dda48d",
      "cw-b9378d1a-b274-49fa-8203-b3a5aeb163a1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0fb97a24-dab2-4955-aec4-b6114b0f3842",
    "manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/730/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b9378d1a-b274-49fa-8203-b3a5aeb163a1"
  }
}