Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/88783819-c021-4d32-ab9f-75010e9a3a0b/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a8784481-4329-4204-8360-68cd5b13b5af",
      "cw-14eed246-77b3-4cc2-927b-34a4520d5b66"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a86f4d63-a6a7-4463-a08c-cba2e9fe1399",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/88783819-c021-4d32-ab9f-75010e9a3a0b/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-14eed246-77b3-4cc2-927b-34a4520d5b66",
    "thumbnailNavigationPosition": "far-bottom"
  }
}