Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/758/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d0f22c03-91e0-4059-ab1e-839967cc7455",
      "cw-0626ced7-ec76-420b-9762-0ed632ebfe39"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-179278b6-4c96-4b09-aa7f-12d123de9c87",
    "manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/758/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0626ced7-ec76-420b-9762-0ed632ebfe39"
  }
}