Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/mrspl/iiif/e629431f-31bd-4263-a484-b417fca32337/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ea1bda65-1718-4ef6-9219-5a0654e11e47",
      "cw-eb4d1649-9c97-4959-84ef-0052c8d58c2e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1cf648cc-d795-4188-a80c-058ac368dd36",
    "manifestId": "https://iiif.quartexcollections.com/mrspl/iiif/e629431f-31bd-4263-a484-b417fca32337/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-eb4d1649-9c97-4959-84ef-0052c8d58c2e",
    "thumbnailNavigationPosition": "far-bottom"
  }
}