Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/601/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5e7bdfd5-f2a1-4f96-a32f-e9502006cc03",
      "cw-fd420670-dd8d-429a-bfe9-cec1fd598eac"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-73e81885-bd45-4473-956d-4c32a746fed1",
    "manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/601/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fd420670-dd8d-429a-bfe9-cec1fd598eac"
  }
}