Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/mrspl/iiif/65d4d175-b6e9-4d51-ab3a-fa34db04e3e1/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-37b1b0a5-37ae-49bd-9deb-79311b85d1a0",
      "cw-ca834f3e-e9d6-473d-9bf6-f66575d83e28"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b3fac357-c904-41dc-89c4-f645398569dc",
    "manifestId": "https://iiif.quartexcollections.com/mrspl/iiif/65d4d175-b6e9-4d51-ab3a-fa34db04e3e1/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ca834f3e-e9d6-473d-9bf6-f66575d83e28",
    "thumbnailNavigationPosition": "far-bottom"
  }
}