Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/lmudigitalcollections/iiif/f872b8ec-2bb1-4b6d-8a4b-094d392c44c5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ef5fa7ff-8ecc-43b3-ac68-663c148dc5db",
      "cw-1c6a5426-e336-420f-b166-105065116208"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-972d8c78-132b-4f14-bd35-70d337454d85",
    "manifestId": "https://iiif.quartexcollections.com/lmudigitalcollections/iiif/f872b8ec-2bb1-4b6d-8a4b-094d392c44c5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1c6a5426-e336-420f-b166-105065116208",
    "thumbnailNavigationPosition": "far-bottom"
  }
}