Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/665/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d00be561-a2ad-45d5-84a0-33b0fb3a92f4",
      "cw-8eb8fe18-e80e-4438-8cb9-87f8f06625da"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5b518ca3-69b8-48b6-a35e-019a0af43441",
    "manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/665/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8eb8fe18-e80e-4438-8cb9-87f8f06625da"
  }
}