Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/lmudigitalcollections/iiif/a6e6dc6e-6bf1-4f2d-9581-95809bb5ca80/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-891901c0-a899-40f6-a6ac-3c144c6a415e",
      "cw-08cfe32f-6d98-4b48-b750-eb18a5a8fbdc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-288d981f-fd6a-46ce-9024-b5603295f639",
    "manifestId": "https://iiif.quartexcollections.com/lmudigitalcollections/iiif/a6e6dc6e-6bf1-4f2d-9581-95809bb5ca80/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-08cfe32f-6d98-4b48-b750-eb18a5a8fbdc",
    "thumbnailNavigationPosition": "far-bottom"
  }
}