Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/606/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f6062b9e-ae19-455b-925d-5adb76825db8",
      "cw-2d651f9f-f426-4133-a3a6-de347ed8ede8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5d592908-a250-4f64-a4ae-3391ca37f14d",
    "manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/606/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2d651f9f-f426-4133-a3a6-de347ed8ede8"
  }
}