Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/1b23bb57-360e-49b0-bc02-2e118c3426ac/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-78a02f00-bf11-4d58-9981-6f108fff5e40",
      "cw-d37d161c-b3a1-4f7c-a944-641ad9f42ab0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b396d0c5-f46a-4fae-871f-9f4203a756c7",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/1b23bb57-360e-49b0-bc02-2e118c3426ac/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d37d161c-b3a1-4f7c-a944-641ad9f42ab0",
    "thumbnailNavigationPosition": "far-bottom"
  }
}