Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/imb/iiif/a92b40cc-adf5-44dd-932c-8c9b9f25afd3/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6c280ef1-abb1-4452-b070-a87e287df90f",
      "cw-6d43fe37-e03e-493a-a9f3-cc1fe772a69f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-78450c14-5383-4ee5-adf1-704444d73725",
    "manifestId": "https://iiif.quartexcollections.com/imb/iiif/a92b40cc-adf5-44dd-932c-8c9b9f25afd3/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6d43fe37-e03e-493a-a9f3-cc1fe772a69f",
    "thumbnailNavigationPosition": "far-bottom"
  }
}