Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/mrspl/iiif/72024514-db83-4e70-82ab-1bd884599215/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5fca5cd9-a4b4-46f4-9ee4-61b7ea076f8a",
      "cw-2f00fea4-281d-4d96-8c31-fa927167b803"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ac81f00a-7468-42c4-aa95-1966deb50570",
    "manifestId": "https://iiif.quartexcollections.com/mrspl/iiif/72024514-db83-4e70-82ab-1bd884599215/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2f00fea4-281d-4d96-8c31-fa927167b803",
    "thumbnailNavigationPosition": "far-bottom"
  }
}