Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/mrspl/iiif/e5719365-2b90-4ebf-9797-a795103b42fe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ebcc0d05-2169-4896-8a38-fc21a3795c4f",
      "cw-49af28f6-c311-406e-9cf3-80d605b7ef7e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-37c134fe-630e-49bc-b848-f3b75e5282ef",
    "manifestId": "https://iiif.quartexcollections.com/mrspl/iiif/e5719365-2b90-4ebf-9797-a795103b42fe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-49af28f6-c311-406e-9cf3-80d605b7ef7e",
    "thumbnailNavigationPosition": "far-bottom"
  }
}