Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/3f67640e-4fa5-4bbe-abe9-707ca448baa1/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a40dfd00-2e73-4531-a029-ddb97bb9a8bb",
      "cw-4350bb15-9d44-4db6-8de8-89fda830c622"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3058f3df-e7dc-4774-90da-b9576af6f8b8",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/3f67640e-4fa5-4bbe-abe9-707ca448baa1/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4350bb15-9d44-4db6-8de8-89fda830c622",
    "thumbnailNavigationPosition": "far-bottom"
  }
}