Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/imb/iiif/f7a37257-b473-4e05-9597-582f906e4c9b/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bb9a0bd3-cffe-48ed-a216-1534d483f7b8",
      "cw-e211e251-c15a-4749-9078-1f63610d09a2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-117a2f33-2e26-4ab4-9a9a-cd451bd132a5",
    "manifestId": "https://iiif.quartexcollections.com/imb/iiif/f7a37257-b473-4e05-9597-582f906e4c9b/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e211e251-c15a-4749-9078-1f63610d09a2",
    "thumbnailNavigationPosition": "far-bottom"
  }
}