Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/imb/iiif/39419b1f-974a-48e3-b58e-e6ccae99b917/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-93ccc4f9-6c0b-456b-933b-80e8204fe033",
      "cw-e131259c-7e6e-41b5-b99b-bbc83416efe4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1bf7c66b-113a-4114-b296-12221cb49dda",
    "manifestId": "https://iiif.quartexcollections.com/imb/iiif/39419b1f-974a-48e3-b58e-e6ccae99b917/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e131259c-7e6e-41b5-b99b-bbc83416efe4",
    "thumbnailNavigationPosition": "far-bottom"
  }
}